#158: Optimise CI linting (#159)

* #158: Optimise CI linting

* #158: Added linting to "needs" section of deploy job

.github/workflows/CI.yml

@@ -10,6 +10,24 @@ permissions:
   contents: read
 
 jobs:
+  linting:
+    name: Linting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
+
+      - name: Install required packages
+        run: python -m pip install --upgrade tox
+
+      - name: Run linters
+        run: tox -e lint
+
+
   tests:
     name: Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
@@ -43,11 +61,6 @@ jobs:
         ENV_PREFIX=$(tr -C -d "0-9" <<< "${{ matrix.python-version }}")
         TOXENV=$(tox --listenvs | grep "^py$ENV_PREFIX" | tr '\n' ',') tox
 
-    - name: Run linters
-      if: ${{ matrix.python-version == '3.12' }}
-      run: |
-        tox -e lint
-
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v3
       with:
@@ -58,7 +71,9 @@ jobs:
 
   deploy:
     name: Deploy
-    needs: [tests]
+    needs:
+      - linting
+      - tests
     runs-on: ubuntu-latest
     if: github.ref=='refs/heads/main' && github.event_name!='pull_request'