Added Authentication

.gitea/workflows/linux_arm64_docker.yaml

@@ -24,6 +24,13 @@ jobs:
         run: |
           echo "REPO_LC=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV
           
+      - name: Login to own image registry
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.penry.de
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+          
       - name: Get version
         run: |
           VERSION=${GITHUB_REF#refs/tags/v}