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/publish-vscode-extension-pack.yml

@@ -50,7 +50,7 @@ jobs:
               ref: 'refs/tags/${{ steps.version.outputs.release_name }}',
               sha: context.sha
             })
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
       - name: Publish to VSCode Marketplace

.github/workflows/publish-vscode-extension-pre-release.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           java-version: '21'
           distribution: 'temurin'
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
       - name: Build .VSIX file

.github/workflows/publish-vscode-extension.yml

@@ -28,7 +28,7 @@ jobs:
     name: Publish '${{ inputs.extension-name }}-${{ inputs.version }}-${{ inputs.postfix }}.vsix'
     steps:
       - name: Use Node.js 22.x
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
       - name: Download Release VSIX

.github/workflows/release-vscode-extension.yml

@@ -59,7 +59,7 @@ jobs:
         with:
           java-version: '21'
           distribution: 'temurin'
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
       - name: Build .VSIX file

.github/workflows/snapshot-vscode-extension.yml

@@ -34,7 +34,7 @@ jobs:
         with:
           java-version: '21'
           distribution: 'temurin'
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
       - name: Build .VSIX file