Format Github action properly

.github/workflows/lint.yml

@@ -4,26 +4,26 @@ name: Linting
 on: [push]
 
 jobs:
-    build:
+  build:
 
     runs-on: ubuntu-latest
 
     strategy:
-        matrix:
+      matrix:
         python-version: ['3.6']
 
     name: Linting
     steps:
-        - uses: actions/checkout@v2
-        - name: Setup python
+      - uses: actions/checkout@v2
+      - name: Setup python
         uses: actions/setup-python@v2
         with:
-            python-version: ${{ matrix.python-version }}
-            architecture: x64
-        - name: Install dependencies
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+      - name: Install dependencies
         run: |
             python -m pip install --upgrade pip
             python -m pip install -r development.txt
 
-        - name: Lint
+      - name: Lint
         run: make lint