Fix test-docs-scripts: missing steps line

Author: volhovm

.github/workflows/test-docs-scripts.yml

@@ -221,6 +221,7 @@ jobs:
     name: Test Update OCaml Node Script
     runs-on: [macos-latest, ubuntu-latest]
 
+    steps:
       - name: Test update-ocaml-node script reproducibility
         run: |
           # Save the current script to use with the old commit state