fix(deps): update dependency @actions/core to v2 (#6)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/dirathea/setup-sstart-env#readme",
   "dependencies": {
-    "@actions/core": "^1.10.1",
+    "@actions/core": "^2.0.0",
     "@actions/exec": "^1.1.1"
   },
   "devDependencies": {