chore(deps): update registry.redhat.io/ubi9/openjdk-21-runtime docker…

… tag to v1.21

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

src/main/docker/Dockerfile.jvm.staged

@@ -50,7 +50,7 @@ RUN if [ ! -d /build/target/quarkus-app ] ; then mkdir -p /build/target/quarkus-
      mv /build/target/$(cat .env-id)-$(cat .env-version)*.jar /build/target/quarkus-app/ ; \
      fi
 
-FROM registry.redhat.io/ubi9/openjdk-21-runtime:1.20
+FROM registry.redhat.io/ubi9/openjdk-21-runtime:1.21
 # Configure the JAVA_OPTS, you can add -XshowSettings:vm to also display the heap size.
 ENV JAVA_OPTS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
 # We make four distinct layers so if there are application changes the library layers can be re-used