Bump dtoa from 0.4.3 to 0.4.4
Bump dtoa from 0.4.3 to 0.4.4

Bumps [dtoa](https://github.com/dtolnay/dtoa) from 0.4.3 to 0.4.4.
- [Release notes](https://github.com/dtolnay/dtoa/releases)
- [Commits](https://github.com/dtolnay/dtoa/compare/0.4.3...0.4.4)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alex/otp-cop