Bump regex from 1.7.1 to 1.7.3 (#883)

Bumps [regex](https://github.com/rust-lang/regex) from 1.7.1 to 1.7.3.
- [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/1.7.1...1.7.3)

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

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

Cargo.lock

@@ -2431,9 +2431,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.7.1"
+version = "1.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2451,9 +2451,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.28"
+version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "ring"

testing/integration-tests/Cargo.toml

@@ -21,7 +21,7 @@ codec = { package = "parity-scale-codec", version = "3.0.0", default-features =
 frame-metadata = "15.0.0"
 futures = "0.3.27"
 hex = "0.4.3"
-regex = "1.5.0"
+regex = "1.7.3"
 scale-info = { version = "2.4.0", features = ["bit-vec"] }
 sp-core = { version = "18.0.0", default-features = false }
 sp-runtime = "20.0.0"