Bump alpine from 3.20.3 to 3.21.0 (#206)

* Bump alpine from 3.20.3 to 3.21.0

Bumps alpine from 3.20.3 to 3.21.0.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Bump alpine image in test and images.yaml

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Plamen Kokanov <[email protected]>

Dockerfile

@@ -36,7 +36,7 @@ COPY --from=builder /go/bin/gardener-extension-shoot-rsyslog-relp-admission /gar
 ENTRYPOINT ["/gardener-extension-shoot-rsyslog-relp-admission"]
 
 ############# rsyslog-relp-echo-server
-FROM alpine:3.20.3 AS shoot-rsyslog-relp-echo-server
+FROM alpine:3.21.0 AS shoot-rsyslog-relp-echo-server
 RUN apk update && apk add rsyslog-relp
 ARG EFFECTIVE_VERSION
 RUN echo "$EFFECTIVE_VERSION" > /etc/VERSION

imagevector/images.yaml

@@ -6,7 +6,7 @@
 images:
 - name: alpine
   repository: europe-docker.pkg.dev/gardener-project/releases/3rd/alpine
-  tag: "3.20.3"
+  tag: "3.21.0"
   labels:
   - name: cloud.gardener.cnudie/dso/scanning-hints/binary_id/v1
     value:

test/integration/controller/lifecycle/lifecycle_test.go

@@ -113,7 +113,7 @@ if [[ -d /host/var/lib/rsyslog-relp-configurator ]]; then
   rm -rf /host/var/lib/rsyslog-relp-configurator
 fi`,
 								},
-								Image:           "europe-docker.pkg.dev/gardener-project/releases/3rd/alpine:3.20.3",
+								Image:           "europe-docker.pkg.dev/gardener-project/releases/3rd/alpine:3.21.0",
 								ImagePullPolicy: corev1.PullIfNotPresent,
 								Name:            "rsyslog-relp-configuration-cleaner",
 								Resources: corev1.ResourceRequirements{