build(deps): bump actions/setup-node from 4 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v4...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/check-dist.yml

@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 20
           cache: npm

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
 
       - name: Setup Node.js
         id: setup-node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 20
           cache: npm

.github/workflows/linter.yml

@@ -19,7 +19,7 @@ jobs:
 
       - name: Setup Node.js
         id: setup-node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 20
           cache: npm

package.json

@@ -65,7 +65,7 @@
     "@vercel/ncc": "^0.38.4",
     "babel-preset-jest": "^30.2.0",
     "eslint": "^8.56.0",
-    "eslint-plugin-github": "^6.0.0",
+    "eslint-plugin-github": "^5.0.2",
     "eslint-plugin-jest": "^29.12.1",
     "jest": "^30.2.0",
     "prettier": "^3.5.0"