Log Message:
php-composer: Update to 2.1.11

Upstream release notes:

2.1.11
 - Fixed issues in proxied binary files when using declare() on php <8 (#10249)
 - Fixed GitHub Actions output escaping issues (#10243)

2.1.10
 - Added type annotations to all classes, which may have an effect on
   CI/static analysis for people using Composer as a dependency (#10159)
 - Fixed CurlDownloader requesting gzip encoding even when no gzip support is
   present (#10153)
 - Fixed regression in 2.1.6 where the help command was not working for plugin
   commands (#10147)
 - Fixed warning showing when an invalid cache dir is configured but
   unused (#10125)
 - Fixed require command reverting changes even though dependency resolution
   succeeded when something fails in scripts for example (#10118)
 - Fixed require not finding the right package version when some newly
   required extension is missing from the system (#10167)
 - Fixed proxied binary file issues, now using output buffering (e1dbd65)
 - Fixed and improved error reporting in several edge cases
   (#9804, #10136, #10163, #10224, #10209)
 - Fixed some more Windows CLI parameter escaping edge cases