fix(deps): update dependency @actions/core to v2

Author: renovate[bot]

package-lock.json

@@ -35,7 +35,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "1.11.1",
+    "@actions/core": "2.0.1",
     "@actions/github": "6.0.1",
     "@actions/tool-cache": "2.0.2"
   },