Bump actions/setup-node from 5 to 6 (#180)

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>
Co-authored-by: Kevin Yu <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup environment
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
 

.github/workflows/release.yml

@@ -42,7 +42,7 @@ jobs:
 
       - name: Setup .npmrc file for NPM registry
         if: steps.version_check.outputs.changed == 'true'
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           registry-url: 'https://registry.npmjs.org'
@@ -65,7 +65,7 @@ jobs:
 
       - name: Setup .npmrc file for GitHub Packages
         if: steps.version_check.outputs.changed == 'true'
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           registry-url: 'https://npm.pkg.github.com'