build(deps): 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/binaries.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           path: "prettier-java"
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v6
         with:
           node-version: 20.x
       - name: Install tools

.github/workflows/github-ci.yml

@@ -12,7 +12,7 @@ jobs:
           - 24.x
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node_version }}
       - uses: actions/setup-java@v3
@@ -36,7 +36,7 @@ jobs:
         node_version: [24.x]
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node_version }}
       - uses: actions/setup-java@v3

.github/workflows/github-pages-deploy.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 24
           cache: yarn

.github/workflows/github-pages-test.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 24
           cache: yarn