Bump actions/checkout from 2 to 3

.github/workflows/broken-links-crawler.yml

@@ -10,7 +10,7 @@ jobs:
   linkChecker:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Link Checker
       id: lc
       uses: peter-evans/link-checker@v1

.github/workflows/codeql-analysis.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.

.github/workflows/run-tests.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 120
     steps:
-      - uses: actions/checkout@v2.4.2
+      - uses: actions/checkout@v3
       - shell: bash
         env:
           SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
@@ -30,7 +30,7 @@ jobs:
         matrix:
           python-version: [ 3.7, 3.8, 3.9, '3.10' ]
     steps:
-      - uses: actions/checkout@v2.4.2
+      - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4.0.0
         with:
@@ -57,7 +57,7 @@ jobs:
       matrix:
         python-version: [ 3.7, 3.8, 3.9, '3.10' ]
     steps:
-      - uses: actions/checkout@v2.4.2
+      - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4.0.0
         with:

.github/workflows/update-pypi.yml

@@ -11,7 +11,7 @@ jobs:
     name: Build and publish Python 🐍 distributions 📦 to PyPI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python 3.8
         uses: actions/setup-python@v2
         with: