v0.8.0

NNlib v0.8.0

Diff since v0.7.34

Closed issues:

• Add a friendly warning to softmax (#373)
• Reverse CI (#374)
• Fix non test related CI error (#377)

Merged pull requests:

• Fix convolution & pooling type-stability (#370) (@pxl-th)
• Informative error message for softmax variants (#378) (@theabhirath)
• Make ACTIVATIONS vector constant. (#379) (@eliascarv)
• Add downstream reverse CI (#380) (@ToucheSir)
• Add codecov token secret (#381) (@ToucheSir)