Update @actions/core to version 1.9.1 (#13)

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>

Author: depfu[bot]

package-lock.json

@@ -19,7 +19,7 @@
   },
   "homepage": "https://github.com/alexthemaster/action-build-typescript#readme",
   "dependencies": {
-    "@actions/core": "^1.9.0",
+    "@actions/core": "^1.9.1",
     "@actions/exec": "^1.1.1",
     "@actions/github": "^4.0.0",
     "@actions/io": "^1.1.2"