build(deps): bump rust_decimal from 1.27.0 to 1.28.0

Bumps [rust_decimal](https://github.com/paupino/rust-decimal) from 1.27.0 to 1.28.0.
- [Release notes](https://github.com/paupino/rust-decimal/releases)
- [Changelog](https://github.com/paupino/rust-decimal/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paupino/rust-decimal/compare/1.27.0...1.28.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -3254,9 +3254,9 @@ dependencies = [
 
 [[package]]
 name = "rust_decimal"
-version = "1.27.0"
+version = "1.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c321ee4e17d2b7abe12b5d20c1231db708dd36185c8a21e9de5fed6da4dbe9"
+checksum = "7fe32e8c89834541077a5c5bbe5691aa69324361e27e6aeb3552a737db4a70c8"
 dependencies = [
  "arrayvec",
  "borsh",