Bump langchain-tests from 1.1.5 to 1.1.6 in /libs/langchain-mongodb (#368)

Bumps [langchain-tests](https://github.com/langchain-ai/langchain) from
1.1.5 to 1.1.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langchain/releases">langchain-tests's
releases</a>.</em></p>
<blockquote>
<h2>langchain-tests==1.1.6</h2>
<p>Changes since langchain-tests==1.1.5</p>
<p>release(standard-tests): 1.1.6 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36610">#36610</a>)
fix(standard-tests): update standard tests for sandbox backends (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36036">#36036</a>)
chore: pygments&gt;=2.20.0 across all packages (CVE-2026-4539) (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36385">#36385</a>)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/standard-tests (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36239">#36239</a>)
ci: suppress pytest streaming output in CI (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36092">#36092</a>)
ci: avoid unnecessary dep installs in lint targets (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36046">#36046</a>)
chore: bump locks, lint (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35985">#35985</a>)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/standard-tests (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35804">#35804</a>)
perf(.github): set a timeout on get min versions HTTP calls (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35851">#35851</a>)
chore: bump the minor-and-patch group across 3 directories with 3
updates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35589">#35589</a>)
chore: bump the other-deps group across 3 directories with 2 updates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35512">#35512</a>)
chore: bump the other-deps group across 3 directories with 2 updates (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35407">#35407</a>)
style: fix some ruff noqa (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/35321">#35321</a>)</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7e5858d8078124f98f10102da21414689467c132"><code>7e5858d</code></a>
release(standard-tests): 1.1.6 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36610">#36610</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/fe99cb29123b704a90f5c8587a757def3b1471e0"><code>fe99cb2</code></a>
fix(standard-tests): update standard tests for sandbox backends (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36036">#36036</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/65bbd47cb2721c51ef8638f9e7da35247c4bfdde"><code>65bbd47</code></a>
chore(model-profiles): refresh model profile data (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36596">#36596</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/64864041168606535dfbd39055c0dca3dd61b5ba"><code>6486404</code></a>
release(core): 1.2.27 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36586">#36586</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/7629c747260cbaed7ca55466d5b9e1b520a7de77"><code>7629c74</code></a>
fix(core): handle symlinks in deprecated prompt save path (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36585">#36585</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/ce21bf469d7493f4716bc30feb15a5b3f16ebe1e"><code>ce21bf4</code></a>
ci: convert working-directory to validated dropdown (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36575">#36575</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/b8698eacbd2960c7e3195018f42992bf2c9d69c7"><code>b8698ea</code></a>
release(ollama): 1.1.0 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36574">#36574</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/3beba77e2e23d498fda07f9b8d6ba00aabfaf69f"><code>3beba77</code></a>
feat(ollama): support <code>response_format</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/34612">#34612</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/2bc982b73c58d8dac8f77a7e3bc339a6cf672685"><code>2bc982b</code></a>
fix(ollama): serialize <code>reasoning_content</code> back to ollama
<code>thinking</code> (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/36573">#36573</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/bc21045ee054b233aa6c4f65653b26a0a7ff340f"><code>bc21045</code></a>
fix(ollama): prevent <code>_convert_messages_to_ollama_messages</code>
from mutating cal...</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langchain/compare/langchain-tests==1.1.5...langchain-tests==1.1.6">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=langchain-tests&package-manager=pip&previous-version=1.1.5&new-version=1.1.6)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: John Kennedy <65985482+jkennedyvz@users.noreply.github.com>