Bump actions/checkout from 3 to 4 (#4962)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Vebjørn Nordby <vebjorn.nordby@nav.no>

.github/workflows/deploy-docker-image.yml

@@ -33,7 +33,7 @@ jobs:
       image: ${{ steps.docker-push.outputs.image }}
     steps:
       - name: Hente kode
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup .yarnrc.yml
         run: |

.github/workflows/lint-tscheck-build.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Hente kode
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup .yarnrc.yml
         run: |

.github/workflows/promote-command.yml

@@ -38,7 +38,7 @@ jobs:
           echo "CLUSTER=$CLUSTER_INPUT" >> $GITHUB_ENV
 
       - name: Sjekk ut kode
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ env.SHA }}
 

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Hente kode
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup .yarnrc.yml
         run: |