Bump regex from 1.7.3 to 1.8.1

Bumps [regex](https://github.com/rust-lang/regex) from 1.7.3 to 1.8.1.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@1.7.3...1.8.1)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -22,7 +22,7 @@ rand = "0.8.5"
 parking_lot = "0.12.1"
 sbp-settings = "0.6.13"
 rust-ini = "0.18.0"
-regex = "1.7.3"
+regex = "1.8.1"
 serde_json = "1"
 serde_yaml = "0.9"
 anyhow = { version = "1", features = ["backtrace"] }