Update google-github-actions/setup-gcloud digest to aa5489c (#15718)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| google-github-actions/setup-gcloud | action | digest | `26f734c` ->
`aa5489c` |

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.github/workflows/ci.yml

@@ -1818,7 +1818,7 @@ jobs:
           credentials_json: "${{ secrets.GCP_SERVICE_ACCOUNT_KEY }}"
 
       - name: "Set up GCP SDK"
-        uses: "google-github-actions/setup-gcloud@26f734c2779b00b7dda794207734c511110a4368"
+        uses: "google-github-actions/setup-gcloud@aa5489c8933f4cc7a4f7d45035b3b1440c9c10db"
 
       - name: "Get GCP Artifact Registry token"
         id: get_token