chore(deps): update docker/build-push-action digest to 14487ce

Author: github-actions[bot]

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
           images: workleap/azure-cli-credentials-proxy
 
       - name: Docker build
-        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6
+        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1 # v6
         with:
           context: .
           push: false

.github/workflows/publish.yml

@@ -28,7 +28,7 @@ jobs:
           images: workleap/azure-cli-credentials-proxy
 
       - name: Docker build and push
-        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6
+        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1 # v6
         with:
           context: .
           push: true