Bump regex from 1.4.5 to 1.4.6

Bumps [regex](https://github.com/rust-lang/regex) from 1.4.5 to 1.4.6.
- [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/1.4.5...1.4.6)

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

Cargo.lock

@@ -484,9 +484,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.5"
+version = "1.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957056ecddbeba1b26965114e191d2e8589ce74db242b6ea25fc4062427a5c19"
+checksum = "2a26af418b574bd56588335b3a3659a65725d4e636eb1016c2f9e3b38c7cc759"
 dependencies = [
  "aho-corasick",
  "memchr",

Cargo.toml

@@ -34,7 +34,7 @@ percent-encoding = "2.1.0"
 pulldown-cmark = "0.8.0"
 pulldown-cmark-to-cmark = "6.0.0"
 rayon = "1.5.0"
-regex = "1.4.5"
+regex = "1.4.6"
 serde_yaml = "0.8.17"
 slug = "0.1.4"
 snafu = "0.6.10"