v0.6.45

Zygote v0.6.45

Diff since v0.6.44

Closed issues:

• Remove @adjoints for [hv]cat in favour of ChainRules (#1217)
• Wrong gradient involving splatting of kwargs (#1284)
• v0.13.5 of Flux breaks Flux.train! on a custom type with Zygote gradients (#1291)
• extremely slow compilation of gradient AND compilation error (two bugs, really) (#1292)

Merged pull requests:

• remove @adjoint for hv/h/v/cat (#1277) (@mzgubic)
• Treat pairs(NamedTuple) as NamedTuple for indexing (#1286) (@ToucheSir)