build(deps): bump @volar/language-server in /src/static/app (#1017)

Bumps [@volar/language-server](https://github.com/volarjs/volar.js/tree/HEAD/packages/language-server) from 2.4.23 to 2.4.26.
- [Release notes](https://github.com/volarjs/volar.js/releases)
- [Changelog](https://github.com/volarjs/volar.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/volarjs/volar.js/commits/v2.4.26/packages/language-server)

---
updated-dependencies:
- dependency-name: "@volar/language-server"
  dependency-version: 2.4.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/static/app/package.json

@@ -12,7 +12,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@volar/language-server": "2.4.23",
+    "@volar/language-server": "2.4.26",
     "@vue/language-server": "3.1.3",
     "@vuepic/vue-datepicker": "^12.1.0",
     "@vueuse/core": "^14.0.0",