Bump actions/setup-node from 5 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v5...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/deploy-main-branches.yml

@@ -41,7 +41,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Get Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: 20
 

.github/workflows/pr-deploy-test-branch.yml

@@ -51,7 +51,7 @@ jobs:
           repository: ${{github.event.pull_request.head.repo.full_name}}
 
       - name: Get Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: 20
 

.github/workflows/pr-test-build.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Get Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: 20
 

.github/workflows/release-build.yml

@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Get Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: 20