Bump regex from 2020.2.20 to 2020.4.4 (from PR #5365)
Bump regex from 2020.2.20 to 2020.4.4 (from PR #5365)

Bumps [regex](https://bitbucket.org/mrabarnett/mrab-regex) from 2020.2.20 to 2020.4.4.
- [Commits](https://bitbucket.org/mrabarnett/mrab-regex/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

lonnen/socorro,lonnen/socorro,lonnen/socorro,lonnen/socorro