chore(deps): bump actions/checkout from 2 to 3 (#1046)

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](https://github.com/actions/checkout/compare/v2...v3)

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

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
     name: Linters (mypy, flake8, etc.)
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-python@v3
     - uses: pre-commit/action@v2.0.3
     - name: Check manifest
@@ -39,7 +39,7 @@ jobs:
         python_version: ['3.10']
     timeout-minutes: 180
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-python@v3
       name: Install Python ${{ matrix.python_version }}
       with:
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 180
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-python@v3
     - name: Install dependencies
       run: |