Bump actions/checkout from 3.0.2 to 3.1.0 (#334)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.0.2 to 3.1.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.0.2...v3.1.0)

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

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         RUST:
           - nightly
     steps:
-      - uses: actions/checkout@v3.0.2
+      - uses: actions/checkout@v3.1.0
         with:
           persist-credentials: false
 
@@ -75,7 +75,7 @@ jobs:
             FLAGS: "-Z minimal-versions"
 
     steps:
-      - uses: actions/checkout@v3.0.2
+      - uses: actions/checkout@v3.1.0
         with:
           persist-credentials: false
 
@@ -101,7 +101,7 @@ jobs:
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.0.2
+      - uses: actions/checkout@v3.1.0
         with:
           persist-credentials: false