build(deps): bump alpine from 3.22.2 to 3.23.0 in /Containers/watchtower

Bumps alpine from 3.22.2 to 3.23.0.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.23.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Containers/watchtower/Dockerfile

@@ -9,7 +9,7 @@ RUN set -ex; \
         build-base; \
     go install github.com/nicholas-fedor/watchtower@$WATCHTOWER_COMMIT_HASH # v1.12.3
 
-FROM alpine:3.22.2
+FROM alpine:3.23.0
 
 RUN set -ex; \
     apk upgrade --no-cache -a; \