Release 8.7.7

What's Changed

• Feature/cldsrv 244/migrate to GitHub actions by @alexanderchan-scality in #4926
• CLDSRV-330 bump arsenal dependency + fix tests by @jonathan-gramain in #4971
• Feature/cldsrv 329/migrate to GitHub actions 8.x by @alexanderchan-scality in #4967
• Bugfix/cldsrv 334 use standard action name for objectlock with version by @williamlardier in #4980

Full Changelog: 8.7.5...8.7.7