Bump regex from 0.1.80 to 1.5.5 in /kejadlen/rust

Bumps [regex](https://github.com/rust-lang/regex) from 0.1.80 to 1.5.5.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](rust-lang/regex@0.1.80...1.5.5)

---
updated-dependencies:
- dependency-name: regex
  dependency-type: direct:production
...

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

Author: dependabot[bot]

kejadlen/rust/Cargo.lock

@@ -5,5 +5,5 @@ authors = ["Alpha Chen <[email protected]>"]
 
 [dependencies]
 error-chain = "0.7"
-regex = "0.1"
+regex = "1.5"
 rust-crypto = "0.2"