build(deps-dev): bump @vue-macros/volar from 0.17.1 to 0.18.8

Bumps [@vue-macros/volar](https://github.com/vue-macros/vue-macros/tree/HEAD/packages/volar) from 0.17.1 to 0.18.8.
- [Release notes](https://github.com/vue-macros/vue-macros/releases)
- [Changelog](https://github.com/vue-macros/vue-macros/blob/main/packages/volar/CHANGELOG.md)
- [Commits](https://github.com/vue-macros/vue-macros/commits/@vue-macros/[email protected]/packages/volar)

---
updated-dependencies:
- dependency-name: "@vue-macros/volar"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -51,7 +51,7 @@
     "@unocss/eslint-plugin": "^0.57.7",
     "@unocss/preset-icons": "^0.57.7",
     "@vitejs/plugin-vue": "^4.6.2",
-    "@vue-macros/volar": "^0.17.4",
+    "@vue-macros/volar": "^0.18.8",
     "@vue/test-utils": "^2.4.3",
     "commitizen": "^4.3.0",
     "cz-emoji": "1.3.2-canary.2",