Split out linting

Author: johnpaulett

.github/workflows/lint.yml

@@ -0,0 +1,19 @@
+name: lint
+
+on: [pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+
+    - name: Check code formatting
+      run: |
+        make lint

.github/workflows/test.yaml

@@ -1,4 +1,4 @@
-name: Python package
+name: tests
 
 on: [push, pull_request]
 
@@ -34,12 +34,6 @@ jobs:
       run: |
         make coverage
 
-    - name: Check code formatting
-      if: matrix.python-version == env.primary-python-version
-      # Includes flake8, black --check, and isort --check-only
-      run: |
-        make lint
-
     - name: Upload to codecov.io
       # Only upload coverage report for single version
       if: matrix.python-version == env.primary-python-version