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](https://github.com/actions/checkout/compare/v3...v4)

---
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-action.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ inputs.ref }}
     - uses: actions/setup-node@v3

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
           echo "branch=$branch" >> $GITHUB_OUTPUT
         fi
     - name: checkout repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ steps.ref.outputs.branch }}
     - uses: actions/setup-node@v3
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         persist-credentials: false
     - uses: actions/setup-node@v3
@@ -77,7 +77,7 @@ jobs:
       - integrity
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.ref }}