added get_nixfmt_version

.github/workflows/treefmt.yml

@@ -1,4 +1,5 @@
 name: treefmt
+
 on:
   workflow_dispatch:
   pull_request:
@@ -11,5 +12,9 @@ jobs:
     runs-on: self-hosted
     steps:
       - uses: actions/checkout@v4
+      - name: get_treefmt_version
+        run: treefmt --version
+      - name: get_nixfmt_version
+        run: nixfmt --version
       - name: runs treefmt
-        run: "treefmt --ci"
+        run: treefmt --ci $( [ -n "$ACTIONS_RUNNER_DEBUG" ] && echo -vv )