ci: 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] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v5
       with:
         fetch-depth: 0
-    - uses: actions/setup-node@v5
+    - uses: actions/setup-node@v6
       with:
         node-version-file: '.nvmrc'
         cache: npm
@@ -30,7 +30,7 @@ jobs:
         node-version: ['lts/hydrogen', 'lts/iron', 'lts/*']
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-node@v5
+    - uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
         cache: npm
@@ -46,7 +46,7 @@ jobs:
     needs: lint
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-node@v5
+    - uses: actions/setup-node@v6
       with:
         node-version-file: '.nvmrc'
         cache: npm

.github/workflows/release.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           cache: npm
@@ -31,7 +31,7 @@ jobs:
         node-version: ['lts/hydrogen', 'lts/iron', 'lts/*']
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
           cache: npm
@@ -45,7 +45,7 @@ jobs:
     needs: ['lint', 'test']
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           cache: npm
@@ -69,7 +69,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           cache: npm