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](https://github.com/actions/setup-node/compare/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>

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install Dependencies
@@ -40,7 +40,7 @@ jobs:
       with:
         version: latest
     - name: Use Node.js latest
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version: latest
     - name: Install dependencies

.github/workflows/test-repos.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install Dependencies

.github/workflows/update-test-repos.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v5
       with:
         ref: next
-    - uses: actions/setup-node@v5
+    - uses: actions/setup-node@v6
     - run: git config user.email "david@dlaa.me"
     - run: git config user.name "David Anson"
     - run: git checkout -b update-test-repos-$GITHUB_RUN_ID