Bump third-party/fast_double_parser from 305e6c8 to 252029d

Bumps [third-party/fast_double_parser](https://github.com/lemire/fast_double_parser) from `305e6c8` to `252029d`.
- [Release notes](https://github.com/lemire/fast_double_parser/releases)
- [Commits](lemire/fast_double_parser@305e6c8...252029d)

---
updated-dependencies:
- dependency-name: third-party/fast_double_parser
  dependency-type: direct:production
...

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