Bump actions/checkout from 2.3.4 to 2.3.5

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.3.5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.4...v2.3.5)

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 5
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v2.3.5
     - name: Setup Python 3.9
       uses: actions/setup-python@v2
       with:
@@ -99,7 +99,7 @@ jobs:
       INSTALL_DIR: ${{ github.workspace }}/redis
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v2.3.5
     - name: Setup Python ${{ matrix.pyver }}
       uses: actions/setup-python@v2
       with:
@@ -153,7 +153,7 @@ jobs:
    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
    steps:
    - name: Checkout
-     uses: actions/checkout@v2.3.4
+     uses: actions/checkout@v2.3.5
    - name: Setup Python 3.9
      uses: actions/setup-python@v2
      with: