build(deps): bump @testing-library/jest-dom in /services/idp

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](https://github.com/testing-library/jest-dom/compare/v6.4.8...v6.6.3)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-version: 6.6.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

services/idp/package.json

@@ -74,7 +74,7 @@
     "@fontsource/roboto": "^5.1.0",
     "@material-ui/core": "^4.12.4",
     "@material-ui/icons": "^4.11.3",
-    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^11.2.7",
     "@testing-library/user-event": "^14.5.2",
     "@types/jest": "^29.5.12",