chore(deps): bump shell-quote in /ui/desktop/electron-app (#3313)

Bumps [shell-quote](https://github.com/ljharb/shell-quote) from 1.8.2 to 1.8.4.
- [Changelog](https://github.com/ljharb/shell-quote/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/shell-quote/compare/v1.8.2...v1.8.4)

---
updated-dependencies:
- dependency-name: shell-quote
  dependency-version: 1.8.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Lisbet Alvarez <107949262+lisbet-alvarez@users.noreply.github.com>
Co-authored-by: Zhihe Li <zhihe.li@hashicorp.com>

ui/desktop/electron-app/package.json

@@ -34,7 +34,7 @@
     "node-pty": "^1.1.0-beta33",
     "semver": "^7.5.3",
     "shell-env": "^3.0.1",
-    "shell-quote": "^1.7.3",
+    "shell-quote": "^1.8.4",
     "tree-kill": "^1.2.2",
     "which": "^4.0.0"
   },