Bump actions/setup-node from 4 to 5 (#1145)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 5.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '5'
  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: mikkelguntveit <mikkel.guntveit@visma.com>

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Select Node.js version
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: 20
 

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
           persist-credentials: false
 
       - name: Select Node.js version
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: 20