Bump actions/setup-node from 5 to 6 (#1125)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/package-macos.yml

@@ -69,7 +69,7 @@ jobs:
           # apply provisioning profile
           mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
           cp $PP_PATH ~/Library/MobileDevice/Provisioning\ Profiles
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 16
       - run: npm install -g appdmg

.github/workflows/package-osx-legacy.yml

@@ -43,7 +43,7 @@ jobs:
           pip3 install --upgrade pip setuptools wheel pyinstaller certifi
           pip3 install --upgrade -r requirements-osx-legacy.txt
           ./gen_ui_files.sh
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 16
       - run: npm install -g appdmg