build(deps): bump regex from 1.3.0 to 1.3.1

Bumps [regex](https://github.com/rust-lang/regex) from 1.3.0 to 1.3.1.
- [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/1.3.0...1.3.1)

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

Cargo.lock

@@ -204,7 +204,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -233,7 +233,7 @@ dependencies = [
  "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -858,7 +858,7 @@ dependencies = [
  "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1041,7 +1041,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "regex"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1453,7 +1453,7 @@ dependencies = [
  "once_cell 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "parser 0.1.0",
- "regex 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.9.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust_team_data 1.0.0 (git+https://github.com/rust-lang/team)",
  "serde 1.0.100 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1751,7 +1751,7 @@ dependencies = [
 "checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
-"checksum regex 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc98360d9e6ad383647702acc90f80b0582eac3ea577ab47d96325d3575de908"
+"checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd"
 "checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum reqwest 0.9.20 (registry+https://github.com/rust-lang/crates.io-index)" = "0f6d896143a583047512e59ac54a215cb203c29cc941917343edea3be8df9c78"