ci: bump deno to v0.20.0 (denoland#627)

Bump v0.19.0 (denoland#613)

v0.18.0 (denoland#600)

Several tests were disabled in order to land this update.

bump ci to v0.17.0 (denoland#585)

ci: bump to version v0.16.0 (denoland#573)

ci: bump to v0.15.0 (denoland#556)

Bump CI to v0.12.0 (denoland#541)

Upgrade to v0.11.0 (update Reader interface) (denoland#527)

ci: bump deno to v0.10.0

ci: bump version to v0.9.0 (denoland#493)