v2.2.0

Devfile library v2.2.0 release which supports the official devfile v2.2.0 release.
This release introduces new util functions for:

1. Outer loop support: GetDeployComponents and GetImageBuildComponent
2. Downloading devfiles in memory: DownloadInMemory which replaces the now deprecated function, DownloadFileInMemory

What's Changed

• bump up to v2 by @yangcao77 in #150
• update registry-library version by @yangcao77 in #152
• Add in util funcs to help get deploy components by @maysunfaisal in #153
• Change func param signature to avoid unneccessary Ctx by @maysunfaisal in #154
• telemetry updates by @kim-tsao in #156

Full Changelog: v2.0.1...v2.2.0