chore(deps): bump @xterm/xterm from 5.5.0 to 6.0.0 in /frontend

Bumps [@xterm/xterm](https://github.com/xtermjs/xterm.js) from 5.5.0 to 6.0.0.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](xtermjs/xterm.js@5.5.0...6.0.0)

---
updated-dependencies:
- dependency-name: "@xterm/xterm"
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

frontend/package.json

@@ -31,7 +31,7 @@
         "@vue-office/excel": "^1.7.8",
         "@vueuse/core": "^12.8.2",
         "@xterm/addon-fit": "^0.10.0",
-        "@xterm/xterm": "^5.5.0",
+        "@xterm/xterm": "^6.0.0",
         "anser": "^2.3.2",
         "axios": "^1.7.2",
         "codemirror": "^6.0.2",