Release 9.3.11

What's Changed

• Adopt the shared Claude review skill and modernize the review workflow by @delthas in #6194
• 👷 CLDSRV-926: skip async/await diff check when PR has skip-async-migration label by @DarkIsDude in #6195
• Bump arsenal to 8.4.11 (CRR reverted; unblocks 9.3) by @delthas in #6198
• CLDSRV-935: fix claude review by @leif-scality in #6199
• INTEGRATION [PR#6199 > development/9.3] CLDSRV-935: fix claude review by @bert-e in #6200
• CLDSRV-918: raise SDK request timeout in functional test client by @tcarmet in #6187

Full Changelog: 9.3.10...9.3.11