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](https://github.com/actions/checkout/compare/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>

.github/workflows/build-user-config.yml

@@ -32,7 +32,7 @@ jobs:
       build_matrix: ${{ env.build_matrix }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.1.0
+        uses: actions/checkout@v3
 
       - name: Install yaml2json
         run: python3 -m pip install remarshal
@@ -68,7 +68,7 @@ jobs:
           echo "zephyr_version=${ZEPHYR_VERSION}" >> $GITHUB_ENV
 
       - name: Checkout
-        uses: actions/checkout@v3.1.0
+        uses: actions/checkout@v3
 
       - name: Cache west modules
         uses: actions/cache@v3.0.11