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

Author: renovate[bot]

package-lock.json

@@ -21,7 +21,7 @@
   },
   "dependencies": {
     "@actions/cache": "^4.0.3",
-    "@actions/core": "^1.11.1",
+    "@actions/core": "^2.0.0",
     "@actions/exec": "^1.1.1",
     "@actions/github": "^6.0.1",
     "@simple-release/config": "^2.0.0",