Bump alpine from 3.23.0 to 3.23.3 in /docker

Bumps alpine from 3.23.0 to 3.23.3.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.23.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docker/Dockerfile

@@ -14,7 +14,7 @@
 #  limitations under the License.
 #
 
-FROM alpine:3.23.0@sha256:51183f2cfa6320055da30872f211093f9ff1d3cf06f39a0bdb212314c5dc7375 AS staging_area
+FROM alpine:3.23.3@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659 AS staging_area
 
 RUN apk --no-cache add openjdk25-jdk openjdk25-jmods
 
@@ -53,7 +53,7 @@ RUN jlink \
     --strip-java-debug-attributes \
     --output "$JAVA_MINIMAL"
 
-FROM alpine:3.23.0@sha256:51183f2cfa6320055da30872f211093f9ff1d3cf06f39a0bdb212314c5dc7375
+FROM alpine:3.23.3@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659
 
 ENV JAVA_HOME=/opt/java-minimal
 ENV PATH="$PATH:$JAVA_HOME/bin"