Lint on GA with pre-commit as per @kalekseev suggestion

Author: mpasternak

.github/workflows/tests.yml

@@ -50,3 +50,22 @@ jobs:
       if: always() # always run even if the previous step fails
       with:
         report_paths: /home/runner/work/pytest-splinter/pytest-splinter/test-results/junit.xml
+
+  lint:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    env:
+      PYTHONPATH: "."
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+          cache: 'pip'
+          cache-dependency-path: 'setup.cfg'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.cache/pre-commit
+          key: pre-commit|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
+      - run: python -m pip install -e .[dev]
+      - run: pre-commit run --show-diff-on-failure --color=always --all-files