chore: fix release workflow due to invalid variable (#125)

.github/workflows/release.yml

@@ -121,22 +121,22 @@ jobs:
         id: meta
         uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
         with:
-           images: ${{ matrix.image }}
-           # Automatically prepare image tags; See action docs for more examples. 
-           # semver patter will generate tags like these for example :1 :1.2 :1.2.3
-           tags: |
-             type=ref,event=branch
-             type=ref,event=pr
-             type=raw,value=latest
-             type=semver,pattern={{version}},value=${{ needs.release-helm-chart.outputs.app-version }}
-             type=semver,pattern={{major}},value=${{ needs.release-helm-chart.outputs.app-version }}
-             type=semver,pattern={{major}}.{{minor}},value=${{ needs.release-helm-chart.outputs.app-version }}
+          images: ${{ matrix.image }}
+          # Automatically prepare image tags; See action docs for more examples. 
+          # semver patter will generate tags like these for example :1 :1.2 :1.2.3
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=raw,value=latest
+            type=semver,pattern={{version}},value=${{ needs.release-helm-chart.outputs.app-version }}
+            type=semver,pattern={{major}},value=${{ needs.release-helm-chart.outputs.app-version }}
+            type=semver,pattern={{major}}.{{minor}},value=${{ needs.release-helm-chart.outputs.app-version }}
 
       - name: Build and push Docker images
         uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
         with:
           context: .
-          file: {{ matrix.dockerfile }}
+          file: ${{ matrix.dockerfile }}
           platforms: linux/amd64, linux/arm64
           pull: true
           push: ${{ github.event_name != 'pull_request' }}