Release 7.70.51-1

What's Changed

• Fixup on deleteObject by @benzekrimaha in #5626
• INTEGRATION [PR#5626 > development/7.70] Fixup on deleteObject by @bert-e in #5631
• Allow backbeat/metadata API to be tested E2E by @nicolas2bert in #5638
• CLDSRV-554 bump package version by @nicolas2bert in #5640

Full Changelog: 7.70.50...7.70.51-1