.github/workflows/flake8.yml: fix syntax

Author: lnussbaum

.github/workflows/flake8.yml

@@ -14,10 +14,10 @@ jobs:
         with:
           python-version: "3.11"
       - name: Install dependencies
-      run: |
-        set -x
-        python -m pip install --upgrade pip
-        pip install poetry
-        poetry install --no-interaction --no-root
-    - name: Run Flake8
-      run: poetry run flake8 .
+        run: |
+          set -x
+          python -m pip install --upgrade pip
+          pip install poetry
+          poetry install --no-interaction --no-root
+      - name: Run Flake8
+        run: poetry run flake8 .