Bump Submodules/AMReX from 99b47cb to 2ecafcf

Bumps [Submodules/AMReX](https://github.com/AMReX-Codes/amrex) from `99b47cb` to `2ecafcf`.
- [Release notes](https://github.com/AMReX-Codes/amrex/releases)
- [Commits](AMReX-Codes/amrex@99b47cb...2ecafcf)

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

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