Bump gif from 0.10.1 to 0.10.2
Bump gif from 0.10.1 to 0.10.2

Bumps [gif](https://github.com/image-rs/image-gif) from 0.10.1 to 0.10.2.
- [Release notes](https://github.com/image-rs/image-gif/releases)
- [Commits](https://github.com/image-rs/image-gif/commits)
imazen/imageflow,imazen/imageflow,imazen/imageflow,imazen/imageflow,imazen/imageflow,imazen/imageflow,imazen/imageflow