chore(deps): pin actions/cache action to by renovate (#22644)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/cache](https://togithub.com/actions/cache) | action |
pinDigest | -> `0c45773` |

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This PR has been generated by [Renovate
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.github/workflows/charts-release.yaml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Cache Changelog
         id: cache-changelog
-        uses: actions/cache@v4
+        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4
         with:
           path: changelog.json.gz
           key: changelog-json