Redis v2.2.1 Maintenance Release

What's Changed

• Upgraded ioredis to version 4.28.2
• Upgraded xo to version 0.47.0
• Imported into the Keyv Mono Repo

Full Changelog: v4.0.4...redis-v2.2.1

Supporting node 12, 14, and 16

What's Changed

• Updating author license and 3rd party packages by @jaredwray in #136
• moving to node 16 by @jaredwray in #138
• Moving build and testing to GitHub actions from travis ci by @jaredwray in #139
• Upgrading xo to version 0.46.3 by @jaredwray in #140
• moving to codecov from coveralls by @jaredwray in #141
• upgrading nyc to version 15.1.0 by @jaredwray in #142
• fix: typo in README by @e0ipso in #144
• Upgrading ava to version 3.15.0 by @jaredwray in #143
• updating build status on readme by @jaredwray in #145

Full Changelog: v4.0.3...v4.0.4