Forward user optimizeDeps settings to SSR environments in Cloudflare adapter (#16769)

* fix(cloudflare): forward user optimizeDeps to SSR/prerender environments

* fix: update fake-data-pkg lockfile integrity checksum

Agent-Logs-Url: https://github.com/withastro/astro/sessions/10530dff-b841-47c1-9cfe-eea3c489639a

Co-authored-by: matthewp <361671+matthewp@users.noreply.github.com>

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Co-authored-by: Matthew Phillips <matthewphillips@cloudflare.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: matthewp <361671+matthewp@users.noreply.github.com>