config: extend default headers list and raise max to 25

- CONFIG: Add Sec-CH-UA, Sec-CH-UA-Mobile, Sec-CH-UA-Platform,
  Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site, Accept,
  Accept-Language, Accept-Encoding to default JsonSockLogHeaders
- CONFIG: Raise DEFAULT_MAX_HEADERS from 10 to 25
- DOC: Update architecture.yml value_example and conf/mod_reqin_log.conf

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

conf/mod_reqin_log.conf

@@ -14,10 +14,13 @@ JsonSockLogSocket "/var/run/logcorrelator/http.socket"
 
 # HTTP headers to include in the JSON log
 # Warning: Be careful not to log sensitive headers like Authorization, Cookie, etc.
-JsonSockLogHeaders X-Request-Id X-Trace-Id User-Agent Referer X-Forwarded-For
+JsonSockLogHeaders X-Request-Id X-Trace-Id User-Agent Referer X-Forwarded-For \
+                   Sec-CH-UA Sec-CH-UA-Mobile Sec-CH-UA-Platform \
+                   Sec-Fetch-Dest Sec-Fetch-Mode Sec-Fetch-Site \
+                   Accept Accept-Language Accept-Encoding
 
 # Maximum number of headers to log (from the configured list)
-JsonSockLogMaxHeaders 10
+JsonSockLogMaxHeaders 25
 
 # Maximum length of each header value (longer values are truncated)
 JsonSockLogMaxHeaderValueLen 256