Bump regex from 1.4.3 to 1.4.4 (#176)

Bumps [regex](https://github.com/rust-lang/regex) from 1.4.3 to 1.4.4.
- [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/1.4.3...1.4.4)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Cargo.lock

@@ -2070,14 +2070,13 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.3"
+version = "1.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
+checksum = "54fd1046a3107eb58f42de31d656fee6853e5d276c455fd943742dce89fc3dd3"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
@@ -2512,15 +2511,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "thread_local"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8208a331e1cb318dd5bd76951d2b8fc48ca38a69f5f4e4af1b6a9f8c6236915"
-dependencies = [
- "once_cell",
-]
-
 [[package]]
 name = "time"
 version = "0.1.43"

Cargo.toml

@@ -24,7 +24,7 @@ http = "0.2.3"
 # Switch back to version on crates.io after 0.6.3+ is released
 hubcaps = { git="https://github.com/softprops/hubcaps.git" }
 linkify = "0.5.0"
-regex = "1.4.3"
+regex = "1.4.4"
 url = "2.2.1"
 # Switch back to version on crates.io after 
 # https://github.com/async-email/async-smtp/pull/36