Bump actions/checkout from 2.4.0 to 3.3.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.3.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3.3.0)

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

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

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
         node-version: [14.x]
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3.3.0
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
@@ -48,7 +48,7 @@ jobs:
         node-version: [14.x]
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3.3.0
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3