Bump regex from 1.4.6 to 1.5.4 (#3354)

Bumps [regex](https://github.com/rust-lang/regex) from 1.4.6 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/1.4.6...1.5.4)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Cargo.lock

@@ -94,9 +94,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
  "memchr",
 ]
@@ -3327,9 +3327,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.6"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a26af418b574bd56588335b3a3659a65725d4e636eb1016c2f9e3b38c7cc759"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -3348,9 +3348,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.22"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "remove_dir_all"

zebra-test/Cargo.toml

@@ -13,7 +13,7 @@ lazy_static = "1.4.0"
 once_cell = "1.9"
 proptest = "0.10.1"
 rand = "0.8"
-regex = "1.4.6"
+regex = "1.5.4"
 
 tokio = { version = "1.15.0", features = ["full"] }
 tower = { version = "0.4.11", features = ["util"] }

zebrad/Cargo.toml

@@ -56,7 +56,7 @@ vergen = { version = "6.0.0", default-features = false, features = ["cargo", "gi
 [dev-dependencies]
 abscissa_core = { version = "0.5", features = ["testing"] }
 once_cell = "1.9"
-regex = "1.4.6"
+regex = "1.5.4"
 semver = "1.0.3"
 tempfile = "3.3.0"
 tokio = { version = "1.15.0", features = ["full", "test-util"] }