build(deps-dev): bump @testing-library/jest-dom from 6.4.8 to 6.6.3

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.4.8 to 6.6.3.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v6.4.8...v6.6.3)

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

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

packages/fizz-react/package.json

@@ -31,7 +31,7 @@
     "react": "^18.0"
   },
   "devDependencies": {
-    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^15.0.7",
     "@types/jest": "^29.5.5",
     "@types/node": "^22.7.4",

packages/fizz-svelte/package.json

@@ -31,7 +31,7 @@
     "svelte": "^4.0"
   },
   "devDependencies": {
-    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/svelte": "^5.2.1",
     "@types/jest": "^29.5.5",
     "@types/node": "^22.7.4",

packages/fizz/package.json

@@ -26,7 +26,7 @@
     "test:npm": "bash bin/test-npm-version"
   },
   "devDependencies": {
-    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/jest-dom": "^6.6.3",
     "@types/jest": "^29.5.5",
     "@types/node": "^22.7.4",
     "@types/serialize-javascript": "^5.0.4",