Bump h11 from 0.14.0 to 0.16.0 in /libs/weaviate in the pip group across 1 directory (#232)

Bumps the pip group with 1 update in the /libs/weaviate directory:
[h11](https://github.com/python-hyper/h11).

Updates `h11` from 0.14.0 to 0.16.0
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python-hyper/h11/commit/1c5b07581f058886c8bdd87adababd7d959dc7ca"><code>1c5b075</code></a>
this time for surer</li>
<li><a
href="https://github.com/python-hyper/h11/commit/d9c369935e853a7ee1aeb7e481f6dddf9b9c9b8a"><code>d9c3699</code></a>
this time for sure...</li>
<li><a
href="https://github.com/python-hyper/h11/commit/d91b9dd2290a25c8c3f5ec15feb57de5873e6e39"><code>d91b9dd</code></a>
blacken</li>
<li><a
href="https://github.com/python-hyper/h11/commit/5a4683ca466b59bbab9b19cfea20ee157b31cee0"><code>5a4683c</code></a>
Soothe mypy</li>
<li><a
href="https://github.com/python-hyper/h11/commit/9c9567f0a92d13a83a8d8ebdbc757c8c2d384536"><code>9c9567f</code></a>
Bump version to 0.16.0</li>
<li><a
href="https://github.com/python-hyper/h11/commit/114803a29ce50116dc47951c690ad4892b1a36ed"><code>114803a</code></a>
Merge commit from fork</li>
<li><a
href="https://github.com/python-hyper/h11/commit/9462006f6ce4941661888228cbd4ac1ea80689b0"><code>9462006</code></a>
Bump version to 0.15.0</li>
<li><a
href="https://github.com/python-hyper/h11/commit/70a96bea8e55403e5d92db14c111432c6d7a8685"><code>70a96be</code></a>
Merge pull request <a
href="https://redirect.github.com/python-hyper/h11/issues/181">#181</a>
from Julien00859/Julien00859/get_int_max_str_digits</li>
<li><a
href="https://github.com/python-hyper/h11/commit/60782ad107e538b9312aac7e1c119c8358bf797c"><code>60782ad</code></a>
Reject Content-Length longer 1 billion TB</li>
<li><a
href="https://github.com/python-hyper/h11/commit/dff7cc397a26ed4acdedd92d1bda6c8f18a6ed9f"><code>dff7cc3</code></a>
Validate Chunked-Encoding chunk footer</li>
<li>Additional commits viewable in <a
href="https://github.com/python-hyper/h11/compare/v0.14.0...v0.16.0">compare
view</a></li>
</ul>
</details>
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