chore(deps-dev): bump @testing-library/jest-dom in /ui

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](https://github.com/testing-library/jest-dom/compare/v6.4.1...v6.4.2)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

ui/package-lock.json

@@ -52,7 +52,7 @@
         "typeface-open-sans": "1.1.13"
       },
       "devDependencies": {
-        "@testing-library/jest-dom": "6.4.1",
+        "@testing-library/jest-dom": "6.4.2",
         "@testing-library/react": "12.1.5",
         "@testing-library/react-hooks": "8.0.1",
         "@testing-library/user-event": "14.5.2",
@@ -3769,9 +3769,9 @@
       }
     },
     "node_modules/@testing-library/jest-dom": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/@testing-library/jest-dom/-/jest-dom-6.4.1.tgz",
-      "integrity": "sha512-Z7qMM3J2Zw5H/nC2/5CYx5YcuaD56JmDFKNIozZ89VIo6o6Y9FMhssics4e2madEKYDNEpZz3+glPGz0yWMOag==",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/@testing-library/jest-dom/-/jest-dom-6.4.2.tgz",
+      "integrity": "sha512-CzqH0AFymEMG48CpzXFriYYkOjk6ZGPCLMhW9e9jg3KMCn5OfJecF8GtGW7yGfR/IgCe3SX8BSwjdzI6BBbZLw==",
       "dev": true,
       "dependencies": {
         "@adobe/css-tools": "^4.3.2",

ui/package.json

@@ -47,7 +47,7 @@
     "typeface-open-sans": "1.1.13"
   },
   "devDependencies": {
-    "@testing-library/jest-dom": "6.4.1",
+    "@testing-library/jest-dom": "6.4.2",
     "@testing-library/react": "12.1.5",
     "@testing-library/react-hooks": "8.0.1",
     "@testing-library/user-event": "14.5.2",