Bump flate2 from 1.0.7 to 1.0.8
Bump flate2 from 1.0.7 to 1.0.8

Bumps [flate2](https://github.com/alexcrichton/flate2-rs) from 1.0.7 to 1.0.8.
- [Release notes](https://github.com/alexcrichton/flate2-rs/releases)
- [Commits](https://github.com/alexcrichton/flate2-rs/compare/1.0.7...1.0.8)

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