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](https://github.com/actions/checkout/compare/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>

.github/workflows/ruby.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v2.3.5
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -44,7 +44,7 @@ jobs:
           - 5432:5432
 
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v2.3.5
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1