meta: bump step-security/harden-runner from 2.3.1 to 2.4.0

PR-URL: nodejs#47980
Reviewed-By: Mestery <[email protected]>
Reviewed-By: Mohammed Keyvanzadeh <[email protected]>

Author: Trott

.github/workflows/scorecard.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@6b3083af2869dc3314a0257a42f4af696cc79ba3  # v2.3.1
+        uses: step-security/harden-runner@128a63446a954579617e875aaab7d2978154e969  # v2.4.0
         with:
           egress-policy: audit  # TODO: change to 'egress-policy: block' after couple of runs