Release 7.70.19

What's Changed

• bugfix: CLDSRV-361 fix exception with batch delete of null version by @jonathan-gramain in #5072
• CLDSRV-349 null version compat mode config and tests by @jonathan-gramain in #5080
• ft: CLDSRV-354 handle null keys in metadata GET helpers by @jonathan-gramain in #5058
• impr: CLDSRV-356 enhance processVersioningState() and fix replayId by @jonathan-gramain in #5059
• impr: CLDSRV-369 new version-specific DELETE functional test by @jonathan-gramain in #5088
• bugfix: CLDSRV-365 fix legal hold can be deleted issue and add more t… by @XinLiScality in #5086
• INTEGRATION [PR#5086 > development/7.70] bugfix: CLDSRV-365 fix legal hold can be deleted issue and add more t… by @bert-e in #5100

Full Changelog: 7.70.18...7.70.19