chore(deps): bump rust_decimal_macros from 1.38.0 to 1.39.0

Bumps [rust_decimal_macros](https://github.com/paupino/rust-decimal) from 1.38.0 to 1.39.0.
- [Release notes](https://github.com/paupino/rust-decimal/releases)
- [Changelog](https://github.com/paupino/rust-decimal/blob/master/CHANGELOG.md)
- [Commits](paupino/rust-decimal@1.38.0...1.39.0)

---
updated-dependencies:
- dependency-name: rust_decimal_macros
  dependency-version: 1.39.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]