Bump submodules/spdlog from 27cb4c7 to f2a9dec

Bumps [submodules/spdlog](https://github.com/gabime/spdlog) from `27cb4c7` to `f2a9dec`.
- [Release notes](https://github.com/gabime/spdlog/releases)
- [Commits](gabime/spdlog@27cb4c7...f2a9dec)

---
updated-dependencies:
- dependency-name: submodules/spdlog
  dependency-version: f2a9dec029947772b4e6bf4ea34f1ed838c56b79
  dependency-type: direct:production
...

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Author: dependabot[bot]