fix(deps): update dependency @actions/exec to v3

Author: renovate[bot]

package.json

@@ -15,7 +15,7 @@
   "dependencies": {
     "@actions/cache": "^4.1.0",
     "@actions/core": "^1.11.1",
-    "@actions/exec": "^1.1.1",
+    "@actions/exec": "^3.0.0",
     "@actions/glob": "^0.6.0",
     "yaml": "^2.8.2",
     "zod": "^3.25.76"