Update dependency @actions/core to v3

Update @actions/core from 2.0.3 to 3.0.1

Change-type: patch

Author: balena-renovate[bot]

package-lock.json

@@ -67,7 +67,7 @@
     "typescript": "5.9.3"
   },
   "dependencies": {
-    "@actions/core": "^2.0.0",
+    "@actions/core": "^3.0.0",
     "@actions/exec": "^2.0.0",
     "@actions/github": "^8.0.0",
     "balena-sdk": "^23.0.0"