chore(deps): update docker/login-action digest to ec9cdf0 (#437)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| docker/login-action | action | digest | `3da7dc6` -> `ec9cdf0` |

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.github/workflows/release-please.yaml

@@ -36,7 +36,7 @@ jobs:
           ref: ${{ needs.release-please.outputs.release_tag_name }}
 
       - name: Log in to the Container registry
-        uses: docker/login-action@3da7dc6e2b31f99ef2cb9fb4c50fb0971e0d0139
+        uses: docker/login-action@ec9cdf07d570632daeb912f5b2099cb9ec1d01e6
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}