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] <support@github.com>

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
         language: [ 'java' ]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
         with:

.github/workflows/dependabot-auto-merge.yml

@@ -8,7 +8,7 @@ jobs:
     if: github.actor == 'dependabot[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 

.github/workflows/deploy.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK 17
         uses: actions/setup-java@v3
@@ -61,7 +61,7 @@ jobs:
     if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: nais/deploy/actions/deploy@v1
         env:
           APIKEY: ${{ secrets.NAIS_DEPLOY_APIKEY }}
@@ -76,7 +76,7 @@ jobs:
     if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: nais/deploy/actions/deploy@v1
         env:
           APIKEY: ${{ secrets.NAIS_DEPLOY_APIKEY }}