js: Explictly list all dependancies used with the "js" feature (#220)
js: Explictly list all dependancies used with the "js" feature (#220)

This makes it easier to tell at a glance what parts of `wasm-bindgen`
are needed for `getrandom`.

See: https://github.com/tkaitchuck/aHash/issues/95#issuecomment-881152315

Signed-off-by: Joe Richey <24d3dd8348b5cac19a417e52b4f8141ba91506f0@google.com>
rust-random/getrandom