Appmod/java upgrade 20261012124449 - #1

buildx failed with: ERROR: failed to build: failed to solve: maven:3.9.9-eclipse-temurin-25: failed to resolve source metadata for docker.io/library/maven:3.9.9-eclipse-temurin-25: docker.io/library/maven:3.9.9-eclipse-temurin-25: not found

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-java@v4, docker/build-push-action@v6, docker/metadata-action@v5, docker/setup-buildx-action@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

setup-java v4 is deprecated and will no longer receive updates. Please migrate to actions/setup-java@v5.