This update for caddy fixes the following issues:

Update to version 2.5.2:

* admin: expect quoted ETags (#4879)
* headers: Only replace known placeholders (#4880)
* reverseproxy: Err 503 if all upstreams unavailable
* reverseproxy: Adjust new TLS Caddyfile directive names (#4872)
* fileserver: Use safe redirects in file browser
* admin: support ETag on config endpoints (#4579)
* caddytls: Reuse issuer between PreCheck and Issue (#4866)
* admin: Implement /adapt endpoint (close #4465) (#4846)
* forwardauth: Fix case when `copy_headers` is omitted (#4856)
* Expose several Caddy HTTP Matchers to the CEL Matcher (#4715)
* reverseproxy: Fix double headers in response handlers (#4847)
* reverseproxy: Fix panic when TLS is not configured (#4848)
* reverseproxy: Skip TLS for certain configured ports (#4843)
* forwardauth: Support renaming copied headers, block support (#4783)
* Add comment about xcaddy to main
* headers: Support wildcards for delete ops (close #4830) (#4831)
* reverseproxy: Dynamic ServerName for TLS upstreams (#4836)
* reverseproxy: Make TLS renegotiation optional
* reverseproxy: Add renegotiation param in TLS client (#4784)
* caddyhttp: Log error from CEL evaluation (fix #4832)
* reverseproxy: Correct the `tls_server_name` docs (#4827)
* reverseproxy: HTTP 504 for upstream timeouts (#4824)
* caddytls: Make peer certificate verification pluggable (#4389)
* reverseproxy: api: Remove misleading 'healthy' value
* Fix #4822 and fix #4779
* reverseproxy: Add --internal-certs CLI flag #3589 (#4817)
* ci: Fix build caching on Windows (#4811)
* templates: Add `humanize` function (#4767)
* core: Micro-optim in run() (#4810)
* httpcaddyfile: Add `{err.*}` placeholder shortcut (#4798)
* templates: Documentation consistency (#4796)
* chore: Bump quic-go to v0.27.0 (#4782)
* reverseproxy: Support http1.1>h2c (close #4777) (#4778)
* rewrite: Handle fragment before query (fix #4775) [boo#1201822, CVE-2022-34037]
* httpcaddyfile: Support multiple values for `default_bind` (#4774)