Bump regex from 1.5.5 to 1.5.6

Bumps [regex](https://github.com/rust-lang/regex) from 1.5.5 to 1.5.6.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@1.5.5...1.5.6)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -30,7 +30,7 @@ opentelemetry-jaeger = "0.16.0"
 reqwest= { version = "0.11.10", default-features = false, features = ["blocking", "json"] }
 uuid = { version = "1.0.0", features = ["v4"] }
 base64 = "0.13.0"
-regex = "1.5.5"
+regex = "1.5.6"
 lazy_static = "1.4.0"
 josh = {path = "../"}
 serde_json= "1.0.81"