Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/python-package.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
       - uses: actions/[email protected]
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
       - uses: actions/[email protected]
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
       - uses: actions/[email protected]
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -71,7 +71,7 @@ jobs:
         python-version: [ 3.6, 3.7, 3.8, 3.9 ]
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
       - uses: actions/[email protected]
         with:
           python-version: ${{ matrix.python-version }}
@@ -89,7 +89,7 @@ jobs:
     if: github.event_name == 'pull_request'
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
 
       - uses: actions/[email protected]
         with:
@@ -117,7 +117,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v3
 
       - uses: actions/[email protected]
         with: