Move linting to a separate CI action

.github/workflows/ci.yml

@@ -31,17 +31,14 @@ jobs:
         run: sudo apt-get install -y pcre2-utils
 
       - name: Install test dependencies
-        run: pip3 install coveralls pylint pytest-cov
+        run: pip3 install coveralls pytest-cov
 
       - name: Install ChromaTerm
         run: python3 setup.py install
 
       - name: PyTest
         run: pytest --cov chromaterm/ --cov tests/ --cov-report term-missing
 
-      - name: PyLint
-        run: pylint chromaterm/ tests/
-
       - name: Coveralls
         if: ${{ github.repository == 'hSaria/ChromaTerm' && github.event_name == 'push' }}
         env:

.github/workflows/lint.yml

@@ -0,0 +1,24 @@
+name: Lint
+on:
+  - push
+  - pull_request
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.10'
+
+    - name: Install dependencies
+      run: pip3 install pylint pytest
+
+    - name: Install ChromaTerm
+      run: python3 setup.py install
+
+    - name: PyLint
+      run: pylint chromaterm/ tests/