Update php-composer to rev 29 via SR 824090
    
    https://build.opensuse.org/request/show/824090
    by user guoyunhe + dimstar_suse
    - Version 1.10.10
      * Fixed create-project not triggering events while installing the
        root package
      * Fixed PHP 8 compatibility issue
      * Fixed self-update to avoid automatically upgrading to the next
        major version once it becomes stable
    - Version 1.10.9
      * Fixed Bitbucket redirect loop when credentials are outdated
      * Fixed GitLab auth prompt wording
      * Fixed self-update handling of files requiring admin permissions
        to write to on Windows (it now does a UAC prompt)
      * Fixed parsing issues in funding.yml files
    - Version 1.10.8
      * Fixed compatibility issue with git being configured to show
        signatures by default
      * Fixed discarding of local changes when updating packages to include
        untracked files
      * Several minor fixes