Update packcheck commit for mount-info

Author: harendra-kumar

.github/workflows/haskell.yml

@@ -47,7 +47,7 @@ jobs:
       # packcheck location and revision
       PACKCHECK: "./packcheck.sh"
       PACKCHECK_GITHUB_URL: "https://raw.githubusercontent.com/composewell/packcheck"
-      PACKCHECK_GITHUB_COMMIT: "e575ff318c93add2a6d3f9107a52c5e37c666a98"
+      PACKCHECK_GITHUB_COMMIT: "9d4c39178438dfa07c8a2591aaf5a6958c63125f"
 
       # Pull token from "secrets" setting of the github repo
       COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}