Release 7.70.21-9

What's Changed

• [HOTFIX S3C 9.2.0]CLDSRV-536 Migrate to ghcr by @BourgoisMickael in #5577
• CLDSRV-544: Add timestamp to stderr [S3C 9.2 HF] by @BourgoisMickael in #5610

Full Changelog: 7.70.21-8...7.70.21-9