chore(deps): bump actions/checkout from 2.4.0 to 3 (#425)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...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/merge-dependencies.yml

@@ -14,7 +14,7 @@ jobs:
     if: github.actor == 'dependabot[bot]'
     steps:
       - name: 'Checkout repository'
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: 'Automerge dependency updates from Dependabot'
         uses: ahmadnassri/action-dependabot-auto-merge@v2.6

.github/workflows/run-tests.yml

@@ -16,7 +16,7 @@ jobs:
         node-version: [16.x]
     steps:
       - name: 'Checkout repository'
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3