If you need to use a raster PNG badge, change the '.svg' to '.png' in the link
Bump keras from 2.2.2 to 2.2.4
Bumps [keras](https://github.com/keras-team/keras) from 2.2.2 to 2.2.4.
- [Release notes](https://github.com/keras-team/keras/releases)
Signed-off-by: dependabot[bot] <firstname.lastname@example.org>
relevant lines covered
hits per line