fix: temporarily disable precompressed directive

[wyattwalter]

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Disable precompressed directive in Caddy temporarily. This is to cause Caddy to serve static files with a 200 instead of a 206 due to a change in behavior in Caddy 2.10.2.

The 206 response is causing rate limit issues in some installs, and failed upgrades in others when folks use an HTTP request to / for health checks. It also causes browsers to not validate files correctly, so we make a lot of extra requests to the server.

There's 2 options to address it:

• Downgrade Caddy, which introduces a few 3 month old high CVEs via the Golang toolchain
• Disable precompressed directive and let Caddy compress the files on the fly during requests

There's a fix in the default branch of Caddy for this issue, we're just waiting for a release.

Fixes #41313

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✨ Finishing touches

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• Commit unit tests in branch ww-caddy-disble-precompressed-directive

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