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]>

.github/workflows/build.yaml

@@ -16,7 +16,7 @@ jobs:
         repository-projects: write
         contents: write
     steps:
-    - uses: "actions/checkout@v3"
+    - uses: "actions/checkout@v4"
     - uses: "actions/setup-java@v3"
       with:
         "java-version": "17"
@@ -57,7 +57,7 @@ jobs:
     needs: "build"
     runs-on: "ubuntu-20.04"
     steps:
-    - uses: "actions/checkout@v3"
+    - uses: "actions/checkout@v4"
     - name: "Deploy to DEV"
       uses: "nais/deploy/actions/deploy@v1"
       env:
@@ -70,7 +70,7 @@ jobs:
     needs: "build"
     runs-on: "ubuntu-20.04"
     steps:
-    - uses: "actions/checkout@v3"
+    - uses: "actions/checkout@v4"
     - name: "Deploy to DEV"
       uses: "nais/deploy/actions/deploy@v1"
       env:
@@ -83,7 +83,7 @@ jobs:
     needs: "build"
     runs-on: "ubuntu-20.04"
     steps:
-      - uses: "actions/checkout@v3"
+      - uses: "actions/checkout@v4"
       - name: "Deploy to DEV"
         uses: "nais/deploy/actions/deploy@v1"
         env: