build(deps-dev): bump css-loader from 5.2.7 to 7.1.2 in /services/idp

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 5.2.7 to 7.1.2.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v5.2.7...v7.1.2)

---
updated-dependencies:
- dependency-name: css-loader
  dependency-version: 7.1.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

services/idp/package.json

@@ -114,7 +114,7 @@
     "babel-preset-react-app": "^10.1.0",
     "case-sensitive-paths-webpack-plugin": "2.4.0",
     "cldr": "^7.5.0",
-    "css-loader": "5.2.7",
+    "css-loader": "7.1.2",
     "css-minimizer-webpack-plugin": "^7.0.0",
     "dotenv": "16.4.7",
     "dotenv-expand": "10.0.0",