fix typo

Author: waylan

.github/workflows/changelog-validator.yml

@@ -30,9 +30,9 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.11
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.11
     - name: Install Markdown
       run: python -m pip install .
     - name: Get Markdown Version