Release 7.70.21-5

What's Changed

• CLDSRV-452: Id and principal on policy hotfixbranch by @benzekrimaha in #5374
• CLDSRV-462 Expiration header is not compatible with legacy object md by @nicolas2bert in #5399
• CLDSRV-458 [HOTFIX S3C 9.2.0.4] by @jonathan-gramain in #5426
• [HF] Cherry-pick CLDSRV-463 to hotfix/7.70.21 by @tmacro in #5542
• CLDSRV-525: Bump Utapi to 7.70.3 by @tmacro in #5558

Full Changelog: 7.70.46...7.70.21-5