Bump regex from 1.5.3 to 1.5.4 (#548)

Bumps [regex](https://github.com/rust-lang/regex) from 1.5.3 to 1.5.4.
- [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/compare/1.5.3...1.5.4)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -522,9 +522,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.5.3"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce5f1ceb7f74abbce32601642fcf8e8508a8a8991e0621c7d750295b9095702b"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
  "memchr",

Cargo.toml

@@ -15,7 +15,7 @@ license = "Apache-2.0"
 travis-ci = { repository = "denisidoro/navi", branch = "master" }
 
 [dependencies]
-regex = { version = "1.5.3", default-features = false, features = ["std", "unicode-perl"] }
+regex = { version = "1.5.4", default-features = false, features = ["std", "unicode-perl"] }
 clap = "3.0.0-beta.2"
 crossterm = "0.19.0"
 lazy_static = "1.4.0"