Revert "Io util package usage update"

This reverts commit 783332a4b57e9455ec3a361c4e16f659a35f3a97.

package.json

@@ -36,6 +36,6 @@
     "url": "https://github.com/actions/toolkit/issues"
   },
   "dependencies": {
-    "@actions/io": "^2.0.0"
+    "@actions/io": "^1.0.1"
   }
 }