chore(deps): bump actions/checkout from 2 to 3.1.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 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@v2...v3.1.0)

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

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

Author: dependabot[bot]

.github/workflows/validate.yml

@@ -24,7 +24,7 @@ jobs:
         uses: styfle/cancel-workflow-action@0.9.1
 
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v2
@@ -59,7 +59,7 @@ jobs:
         uses: styfle/cancel-workflow-action@0.9.1
 
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v2