Bump actions/setup-node from 3 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v3...v6)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -26,7 +26,7 @@ jobs:
           sudo docker image prune --all --force
 
       - uses: "actions/checkout@v4"
-      - uses: "actions/setup-node@v3"
+      - uses: "actions/setup-node@v6"
         with:
           node-version: "20"
       - uses: "hashicorp/setup-terraform@v3"