⬆ Bump actions/setup-node from 5 to 6 (#26)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/docs-build-check.yaml

@@ -55,7 +55,7 @@ jobs:
           run_install: false
 
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: '22'
           cache: 'pnpm'

.github/workflows/documentation.yaml

@@ -110,7 +110,7 @@ jobs:
 
       # Then setup Node.js with pnpm cache
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: '22'
           cache: 'pnpm'

.github/workflows/rw_docs_operations.yaml

@@ -129,7 +129,7 @@ jobs:
           ref: ${{ inputs.checkout-sha != '' && inputs.checkout-sha || (github.event_name == 'push' && github.ref_name == 'master' && github.ref_name || '') }}
 
       - name: Set up Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ inputs.node-version }}
 
@@ -212,7 +212,7 @@ jobs:
           ref: ${{ inputs.checkout-sha != '' && inputs.checkout-sha || (github.event_name == 'push' && github.ref_name == 'master' && github.ref_name || '') }}
 
       - name: Set up Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ inputs.node-version }}