v5.0.1

Fixes (backport of 6.0.1 to v5)

This is a backport of the minor ReDos vulnerability in ansi-regex@<6.0.1, as requested in #38.

• Fix ReDoS in certain cases (#37)
  You are only really affected if you run the regex on untrusted user input in a server context, which it's very unlikely anyone is doing, since this regex is mainly used in command-line tools.

CVE-2021-3807

https://github.com/chalk/ansi-regex/compare/v5.0.0..v5.0.1

Thank you @yetingli for the patch and reproduction case!