Externally visible changes since v2.4.3:
- Add experimental gRPC proxy backend
- Add --min_tls_version flag (does not apply to proxy backends)
- [metrics] initialize hits/misses for each cache entry kind
- Fix container entrypoints
- Upgrade to debian12 base container images
- Fix infinite recursion with idle timer
- [s3proxy] add signature_type config option
- Upgrade azidentity to v1.5.2