chore(deps): update gcr.io/google.com/cloudsdktool/cloud-sdk docker d…

…igest to 53b4f0e (#1923)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| gcr.io/google.com/cloudsdktool/cloud-sdk | digest | `a66420f` -> `53b4f0e` |

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cloudbuild.yaml

@@ -68,7 +68,7 @@ steps:
       ]
 
   # Step 5: Push the new Cloud Run revision
-  - name: gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:a66420f5e11bf54a93b7b8fb0d003573adccbc00188584577159372790260ad8
+  - name: gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:53b4f0e2ce0adc8638826236c23feeda41c75343c0eb21abc8f362e0be89dc1c
     waitFor:
         - push
     entrypoint: gcloud