Make "Lint documentation" workflow formatting Prettier-compliant

The previous formatting causes the "Check formatting" CI workflow to fail.

Author: per1234

Diff for: .github/workflows/lint-documentation.yml

@@ -33,7 +33,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ruby  # Install latest version
+          ruby-version: ruby # Install latest version
 
       - name: Install licensee
         run: gem install licensee