Bugfix Release

What's Changed

• avoid printing io.ErrUnexpectedEOF for .metacache objects by @harshavardhana in #15642
• do not print object not found errors in MRF healing by @harshavardhana in #15646
• fis deadlock caused by unlocking a non-existing lock by @yudoutingle in #15635
• fix: use optimized json.NewEncoder instead for metrics by @harshavardhana in #15648
• Reuse madmin.ClusterRegistrationInfo by @anjalshireesh in #15654
• verify RenameData() versions to be consistent by @harshavardhana in #15649
• allow non-standards fallback for Expires header by @harshavardhana in #15655
• Helm Chart: Use a Prometheus Operator Probe to scrape Cluster metrics by @briend in #15659
• allow non-standards fallback for all http.TimeFormats by @harshavardhana in #15662
• fix: trigger Heal when xl.meta needs healing during PUT by @harshavardhana in #15661
• serialize updates to healing tracker by @krisis in #15647
• Update PR template to make it easy to request for doc changes by @vadmeste in #15665

New Contributors

• @yudoutingle made their first contribution in #15635
• @briend made their first contribution in #15659

Full Changelog: RELEASE.2022-09-01T23-53-36Z...RELEASE.2022-09-07T22-25-02Z