chore: revert to eclipse-temurin Ubuntu base; UBI9 added more CVE noise than it removed

Author: coopernetes

.github/workflows/codeql.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Build Java
         if: matrix.language == 'java-kotlin'
-        run: ./gradlew build -x test -x e2eTest
+        run: ./gradlew build -x test -x e2eTest --no-build-cache
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # ratchet:github/codeql-action/analyze@v4

Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # ── Build stage ──────────────────────────────────────────────────────────────
-FROM docker.io/eclipse-temurin:21-jdk-ubi9-minimal AS builder
+FROM docker.io/eclipse-temurin:21-jdk AS builder
 
 # Install Node.js directly from the official distribution with SHA256 verification.
 # To update: download the new tarball, verify against nodejs.org/dist/vX.Y.Z/SHASUMS256.txt,
@@ -47,7 +47,7 @@ RUN sed -i \
     git-proxy-java-dashboard/build/install/git-proxy-java-dashboard/bin/git-proxy-java-dashboard
 
 # ── Runtime stage ─────────────────────────────────────────────────────────────
-FROM docker.io/eclipse-temurin:21-jre-ubi9-minimal
+FROM docker.io/eclipse-temurin:21-jre
 
 WORKDIR /app