Update docker/build-push-action action to v6.19.0

Author: renovate[bot]

.github/workflows/build-tag-release.yaml

@@ -94,7 +94,7 @@ jobs:
 
       - name: Build and push Docker image
         id: push
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        uses: docker/build-push-action@ee4ca427a2f43b6a16632044ca514c076267da23 # v6.19.0
         with:
           context: src/
           platforms: linux/amd64,linux/arm64

.github/workflows/pr-verify.yaml

@@ -66,7 +66,7 @@ jobs:
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Test build Docker image
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        uses: docker/build-push-action@ee4ca427a2f43b6a16632044ca514c076267da23 # v6.19.0
         with:
           context: src/
           platforms: linux/amd64,linux/arm64