Update docker/build-push-action digest to cb8fc75

Author: renovate[bot]

.github/workflows/docker-image.yml

@@ -97,7 +97,7 @@ jobs:
 
       - name: Build and push Docker image to both registries
         id: build-and-push-base
-        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75
+        uses: docker/build-push-action@cb8fc7586f9ad9441b20c33e0f6e8b1b58d8b4c6
         with:
           context: .
           file: base.Dockerfile
@@ -109,7 +109,7 @@ jobs:
 
       - name: Build and push Docker image to both registries
         id: build-and-push
-        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75
+        uses: docker/build-push-action@cb8fc7586f9ad9441b20c33e0f6e8b1b58d8b4c6
         with:
           context: .
           file: Dockerfile