Bump source-map-explorer from 1.8.0 to 2.5.3 in /services/idp

Bumps [source-map-explorer](https://github.com/danvk/source-map-explorer) from 1.8.0 to 2.5.3.
- [Release notes](https://github.com/danvk/source-map-explorer/releases)
- [Commits](https://github.com/danvk/source-map-explorer/compare/v1.8.0...v2.5.3)

---
updated-dependencies:
- dependency-name: source-map-explorer
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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