Bump dotenv-expand from 5.1.0 to 10.0.0 in /services/idp

Bumps [dotenv-expand](https://github.com/motdotla/dotenv-expand) from 5.1.0 to 10.0.0.
- [Release notes](https://github.com/motdotla/dotenv-expand/releases)
- [Changelog](https://github.com/motdotla/dotenv-expand/blob/master/CHANGELOG.md)
- [Commits](https://github.com/motdotla/dotenv-expand/compare/v5.1.0...v10.0.0)

---
updated-dependencies:
- dependency-name: dotenv-expand
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

services/idp/package.json

@@ -116,7 +116,7 @@
     "cldr": "^7.1.1",
     "css-loader": "4.3.0",
     "dotenv": "8.2.0",
-    "dotenv-expand": "5.1.0",
+    "dotenv-expand": "10.0.0",
     "eslint": "^7.11.0",
     "eslint-config-react-app": "^6.0.0",
     "eslint-loader": "^4.0.2",