Bump actions/checkout

Bumps [actions/checkout](https://github.com/actions/checkout) from 3df4ab11eba7bda6032a0b82a6bb43b11571feac to b4ffde65f46336ab88eb53be808477a3936bae11.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@3df4ab1...b4ffde6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
...

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

.github/workflows/ci-build.yml

@@ -28,7 +28,7 @@ jobs:
             ${{ runner.os }}-maven-
 
       - name: Checkout authn-simple
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.0.0
 
       - name: Run Build
         run: mvn install -Dmaven.install.skip -DskipTests