Gardener CI Robot 2

Results 4 issues of Gardener CI Robot 2

**Release Notes**: ``` improvement operator github.com/gardener/etcd-backup-restore #537 @ishan16696 Decreases the likelihood of potential race condition between the go-routines while closing the snapshotter. ``` ``` improvement operator github.com/gardener/etcd-backup-restore #540 @aaronfern [bug-fix]...

size/XS
cla: yes
do-not-merge/hold
do-not-merge/needs-kind

**Release Notes**: ``` noteworthy operator github.com/gardener/vpn #60 @ScheererJ Updated base container image of old vpn seed and vpn shoot to alpine 3.16.2 ```

kind/enhancement
size/XS
cla: yes
lgtm

**Release Notes**: ```other operator github.com/gardener/gardener-extension-provider-aws #810 @kon-angelo updated image csi-provisioner -> `v3.6.0` ``` ```other operator github.com/gardener/gardener-extension-provider-aws #828 @shafeeqes The following golang dependencies have been upgraded : - `gardener/gardener`: `v1.81.6`->`v1.83.2` ```...

lifecycle/stale
needs/review
size/xs

**Release Notes**: ```other operator github.com/gardener/dashboard #1493 @StenlyTU `spec.ingressClassName` is now set to `nginx` for the dashboard `Ingress`. You can change the default in the `values.yaml` file by adjusting the property...

lifecycle/stale
needs/review
size/xs