chore(deps): update registry.access.redhat.com/ubi8/openjdk-21 docker tag to v1.23-5.1787578700

Signed-off-by: red-hat-konflux-kflux-prd-rh02 <190377777+red-hat-konflux-kflux-prd-rh02[bot]@users.noreply.github.com>

Author: red-hat-konflux-kflux-prd-rh02[bot]

docker/Dockerfile.redhat-app.multistage

@@ -1,5 +1,5 @@
 ## Stage 1 : build with maven builder image
-FROM registry.access.redhat.com/ubi8/openjdk-21:1.23-5 AS build
+FROM registry.access.redhat.com/ubi8/openjdk-21:1.23-5.1787578700 AS build
 ARG MAVEN_BUILD_EXTRA_ARGS=
 RUN echo "$MAVEN_BUILD_EXTRA_ARGS"
 
@@ -14,7 +14,7 @@ USER 185
 RUN cd /usr/src/app/ && ./mvnw clean install -DskipTests $MAVEN_BUILD_EXTRA_ARGS
 
 ## Stage 2 : create the docker final image
-FROM registry.access.redhat.com/ubi8/openjdk-21:1.23-5
+FROM registry.access.redhat.com/ubi8/openjdk-21:1.23-5.1787578700
 
 ARG MAVEN_EXTRA_ARGS=
 RUN echo "$MAVEN_EXTRA_ARGS"