Update dependency @actions/exec to v3

Author: renovate[bot]

package-lock.json

@@ -29,7 +29,7 @@
   "dependencies": {
     "@actions/cache": "^4.0.3",
     "@actions/core": "^1.11.1",
-    "@actions/exec": "^1.1.1",
+    "@actions/exec": "^3.0.0",
     "@actions/glob": "^0.5.0",
     "@actions/http-client": "^2.2.3",
     "@actions/io": "^1.1.3",