policy: reduce internal usage of public util for manifest.js

PR-URL: #26833
Reviewed-By: Yongsheng Zhang <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Masashi Hirano <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: Naturalclar

lib/internal/policy/manifest.js

@@ -4,7 +4,7 @@ const {
   ERR_MANIFEST_INTEGRITY_MISMATCH,
   ERR_MANIFEST_UNKNOWN_ONERROR,
 } = require('internal/errors').codes;
-const debug = require('util').debuglog('policy');
+const debug = require('internal/util/debuglog').debuglog('policy');
 const SRI = require('internal/policy/sri');
 const {
   SafeWeakMap,