Bump Submodules/AMReX from de8c576 to 5d1b6c2

Bumps [Submodules/AMReX](https://github.com/AMReX-Codes/amrex) from `de8c576` to `5d1b6c2`.
- [Release notes](https://github.com/AMReX-Codes/amrex/releases)
- [Commits](AMReX-Codes/amrex@de8c576...5d1b6c2)

---
updated-dependencies:
- dependency-name: Submodules/AMReX
  dependency-version: 5d1b6c2bdec3498971fa4a00788e4bab3aeaaac2
  dependency-type: direct:production
...

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Author: dependabot[bot]