switch to actions-toolkit implementation

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

package.json

@@ -27,7 +27,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "@actions/exec": "^1.1.1"
+    "@docker/actions-toolkit": "^0.1.0-beta.14"
   },
   "devDependencies": {
     "@types/node": "^16.11.26",