Bump xterm from 5.2.0 to 5.2.1 in /client

Bumps [xterm](https://github.com/xtermjs/xterm.js) from 5.2.0 to 5.2.1.
- [Release notes](https://github.com/xtermjs/xterm.js/releases)
- [Commits](https://github.com/xtermjs/xterm.js/compare/5.2.0...5.2.1)

---
updated-dependencies:
- dependency-name: xterm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

client/package.json

@@ -22,7 +22,7 @@
     "sass": "^1.63.2",
     "socket.io-client": "^4.6.2",
     "uuid": "^9.0.0",
-    "xterm": "^5.2.0",
+    "xterm": "^5.2.1",
     "xterm-addon-fit": "^0.7.0"
   },
   "devDependencies": {