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/dependabot-build.yml

@@ -10,7 +10,7 @@ jobs:
     name: test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: temurin

.github/workflows/deploy.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Java
         uses: actions/setup-java@v3
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: dev-gcp
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: nais/deploy/actions/deploy@v1
         env:
           APIKEY: ${{ secrets.NAIS_DEPLOY_APIKEY }}
@@ -79,7 +79,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: prod-gcp
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: nais/deploy/actions/deploy@v1
         env:
           APIKEY: ${{ secrets.NAIS_DEPLOY_APIKEY }}