v0.21.1

@ccwienk

[gardener/etcd-backup-restore]

[OPERATOR] Change OCI Image Registry from GCR (eu.gcr.io/gardener-project) to Artifact-Registry (europe-docker.pkg.dev/gardener-project/releases). Users should update their references. by @ccwienk [gardener/etcd-backup-restore#688]

[OPERATOR] Add unit tests for chunk deletion by @anveshreddy18 [gardener/etcd-backup-restore#685]
[OPERATOR] Dynamic loading of IaaS credentials is now optimized to make use of file system information instead of calculating a hash of the credentials to detect changes. by @renormalize [gardener/etcd-backup-restore#670]
[OPERATOR] A regression in chunk deletion behavior for openstack provider has now been fixed. by @shreyas-s-rao [gardener/etcd-backup-restore#703]
[USER] Add support for overriding storage API endpoint for provider GCS, by setting environment variable GOOGLE_STORAGE_API_ENDPOINT, with the value in the format http[s]://host[:port]/storage/v1/. ⚠️ Note: GCS storage API endpoint will not be overridden for copy subcommand, since backup buckets may reside in different regions. by @shreyas-s-rao [gardener/etcd-backup-restore#691]

[OPERATOR] Change OCI Image Registry from GCR (eu.gcr.io/gardener-project) to Artifact-Registry (europe-docker.pkg.dev/gardener-project/releases). Users should update their references. by @shreyas-s-rao [#756]

etcd-druid: europe-docker.pkg.dev/gardener-project/releases/gardener/etcd-druid:v0.21.1