chore: update actions/checkout to v3

v2 is deprecated.

Author: agateau-gg

.github/workflows/test-lint.yml

@@ -15,7 +15,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python 3.9
         uses: actions/setup-python@v1
         with:
@@ -40,7 +40,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v1
         with:
@@ -67,7 +67,7 @@ jobs:
     needs: [lint, build]
     if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Set up Python