Update docker/build-push-action digest to 55146d9

Author: renovate[bot]

.github/workflows/docker-build-push.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Build and Push Kubectl Docker image
         id: build-and-push
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83
+        uses: docker/build-push-action@55146d969b0dff1a5c12630229609757af5b1081
         with:
           context: samples/kubernetes/
           file: samples/kubernetes/DockerKubeHelmAlpine.docker
@@ -74,7 +74,7 @@ jobs:
 
       - name: Build and Push PgClient Docker image
         id: build-and-push1
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83
+        uses: docker/build-push-action@55146d969b0dff1a5c12630229609757af5b1081
         with:
           context: samples/adhoc-examples/
           file: samples/adhoc-examples/DockerPgClient.docker
@@ -90,7 +90,7 @@ jobs:
 
       - name: Build and Push AWS Docker image
         id: build-and-push2
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83
+        uses: docker/build-push-action@55146d969b0dff1a5c12630229609757af5b1081
         with:
           context: samples/aws/
           file: samples/aws/aws-cli-cdk.Dockerfile

.github/workflows/docker-push-windows.yml

@@ -60,7 +60,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and Push Windows Docker image
         id: build-and-push
-        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83
+        uses: docker/build-push-action@55146d969b0dff1a5c12630229609757af5b1081
         with:
           context: samples/adhoc-examples/
           file: samples/adhoc-examples/DockerWindows.docker