Bump Mu_Basecore from 35544bc to 60b5a5e (#1989)

Bumps [Mu_Basecore](https://github.com/microsoft/mu_basecore) from `35544bc` to `60b5a5e`.
- [Release notes](https://github.com/microsoft/mu_basecore/releases)
- [Commits](microsoft/mu_basecore@35544bc...60b5a5e)

---
updated-dependencies:
- dependency-name: Mu_Basecore
  dependency-version: 60b5a5e970df68596efd714a0c6e18af101de550
  dependency-type: direct:production
...

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