chore(deps): update docker/build-push-action action to v7.3.0 (#164)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/build-image-on-push.yml

@@ -56,7 +56,7 @@ jobs:
           persist-credentials: false
       - name: Test build of image
         id: build
-        uses: docker/build-push-action@v7.2.0
+        uses: docker/build-push-action@v7.3.0
         with:
           push: false
           load: true

.github/workflows/update-image-on-push.yml

@@ -65,7 +65,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Build and push by digest
-        uses: docker/build-push-action@v7.2.0
+        uses: docker/build-push-action@v7.3.0
         id: build
         with:
           outputs: type=image,"name=${{ env.GHCR_REPO }}",push-by-digest=true,name-canonical=true,push=true