chore(deps): Bump exchange-rs from 4fb1ab0 to 7e77429 (#60)

Bumps [exchange-rs](https://github.com/neeml/exchange-rs) from `4fb1ab0` to `7e77429`.
- [Commits](neeml/exchange-rs@4fb1ab0...7e77429)

---
updated-dependencies:
- dependency-name: exchange-rs
  dependency-version: 7e774295f5b9813edc7d7b51324c26a69aa14980
  dependency-type: direct:production
...

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Author: dependabot[bot]