Fixing tagging in docker push (#40)

Co-authored-by: Broknloop <broknloop@gmail.com>

.github/workflows/merge.yaml

@@ -23,9 +23,6 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v3
-        with:
-          ref: ${{ github.event.pull_request.merge_commit_sha }}
-          fetch-depth: '0'
 
       - name: Set up JDK 21
         uses: actions/setup-java@v3
@@ -40,8 +37,30 @@ jobs:
       - name: Update dependency graph
         uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6
 
-      - name: Bump version and push tag
-        uses: anothrNick/github-tag-action@1.64.0
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # if you don't want to set write permissions use a PAT token
-          WITH_V: true
+      - name: Bump SemVer tag
+        id: semver
+        uses: mathieudutour/github-tag-action@v5
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          release_only: false
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64/v8
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.semver.outputs.new_tag }}