build(deps): bump actions/setup-node from 4 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v4...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>

.github/workflows/publish-immutable-actions.yml

@@ -17,4 +17,4 @@ jobs:
         uses: actions/checkout@v5
       - name: Publish
         id: publish
-        uses: actions/publish-immutable-action@v0.0.4
+        uses: actions/publish-immutable-action@0.0.3

.github/workflows/release-new-action-version.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
     - name: Update the ${{ env.TAG_NAME }} tag
       id: update-major-tag
-      uses: actions/publish-action@v0.4.0
+      uses: actions/publish-action@v0.3.0
       with:
         source-tag: ${{ env.TAG_NAME }}
         slack-webhook: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/workflow.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v5
     - name: Setup Node.js 24.x
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: 24.x
         cache: npm