chore(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/smoke-test.yml

@@ -9,7 +9,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: 16

.github/workflows/validate.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v3
@@ -78,7 +78,7 @@ jobs:
       github.ref) && github.event_name == 'push' }}
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v3