* make encryption scheme explicit
* supress compiler noise
* make `nimble install` without `-d` work
* move `libp2p_pki_schemes=secp256k1` to config.nims
* fix include
Changes the CI to properly cache Nimble deps *including* Nim binaries.
* parallelize tests
* speed up tests
* cache whole nimble
* use nimble install without -d
* bump version
* new nimble cache
* fix github_env
* compare speed
* readd msys2
* don't need make for nimble
* ugh renames