ci: Change user to correct one since v39

Signed-off-by: Steffen Scheib <[email protected]>

.github/workflows/renovate.yml

@@ -244,7 +244,7 @@ jobs:
           # are different than the ones given after the cache is restored. We have to
           # change ownership to solve this. We also need to have correct permissions in
           # the entire /tmp/renovate tree, not just the section with the repo cache.
-          sudo chown -R "runneradmin:root" "/tmp/renovate/"
+          sudo chown -R "12021:root" "/tmp/renovate/"
 
           # show directory contents if runner runs in debug
           [[ "${{ runner.debug }}" -ne 1 ]] || {