2.7.3 - released 2024-04-19

Changelog

BC Warning: Fixed https_proxy env var falling back to http_proxy's value, this is still in place but with a warning for now, and https_proxy can now be set empty to remove the fallback. Composer 2.8.0 will remove the fallback so make sure you heed the warnings (#11915)
Fixed show and outdated commands to remove leading v in e.g. v1.2.3 when showing lists of packages (#11925)
Fixed audit command not showing any id when no CVE is present, the advisory ID is now shown (#11892)
Fixed the warning about a missing default version showing for packages with project type as those are typically not versioned and do not have cyclic dependencies (#11885)
Fixed PHP 8.4 deprecation warnings
Fixed clear-cache command to respect the config.cache-dir setting from the local composer.json (#11921)
Fixed status command not handling failed download/install promises correctly (#11889)
Added support for buy_me_a_coffee in GitHub funding files (#11902)
Added hg support for SSH urls (#11878)
Fixed some env vars with an integer value causing a crash (#11908)
Fixed context data not being output when using IOInterface as a PSR-3 logger (#11882)