Update regex requirement to 1.0.1

Updates the requirements on [regex](https://github.com/rust-lang/regex) to permit the latest version.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/regex/commits/1.0.1)

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

trace-malloc-free/Cargo.toml

@@ -6,4 +6,4 @@ authors = ["Nick Fitzgerald <fitzgen@gmail.com>"]
 [dependencies]
 quicli = "0.3"
 duct = "0.11.0"
-regex = "0.2.10"
+regex = "1.0.1"