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

…igest to 6ea51b5 (#1985)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| gcr.io/google.com/cloudsdktool/cloud-sdk | digest | `3115a00` -> `6ea51b5` |

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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@sha256:3115a006674d7d43905b66d543d99b65df1adf9590d20bcf8f1a2b059792d4a5
+  - name: gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:6ea51b563d61f61061892ab2a3938b1d19a20a8ecbbecff9f6c895c9c9792704
     waitFor:
         - push
     entrypoint: gcloud