Update @actions/artifact to 6.3.1

Regenerate the shipped bundle and production license cache for the artifact retry improvements and corrected RPC runtime dependency.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

package.json

@@ -33,7 +33,7 @@
   },
   "homepage": "https://github.com/actions/download-artifact#readme",
   "dependencies": {
-    "@actions/artifact": "^6.2.1",
+    "@actions/artifact": "^6.3.1",
     "@actions/core": "^3.0.0",
     "minimatch": "^10.1.1"
   },