Update dependency @actions/core to v2

Author: renovate[bot]

package-lock.json

@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/smartlyio/pull-request-comment-trigger#readme",
   "dependencies": {
-    "@actions/core": "1.10.1",
+    "@actions/core": "2.0.1",
     "@actions/github": "6.0.0"
   },
   "devDependencies": {