Bump vitest from 1.3.1 to 1.4.0 in /gui

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v1.4.0/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

gui/package.json

@@ -77,7 +77,7 @@
     "vite": "5.1.3",
     "vite-plugin-electron": "0.28.2",
     "vite-plugin-electron-renderer": "0.14.5",
-    "vitest": "1.3.1",
+    "vitest": "1.4.0",
     "vue": "3.4.21",
     "vue-tsc": "1.8.27"
   }