Devfile Registry library module should be updated to support Go 1.21

[michael-valdron]

Which area is this issue related to?

/kind task

/area registry

Issue Description

Update devfile/registry-support registry library Go module to use Go 1.21 with bumps to use k8s api v0.29.2.

Blocks #1543 due to devfile library changes requiring devfile registry library Go module to have these bumps first.

Acceptance Critera

• Update to Go 1.21
• Bump dependencies including k8s api to v0.29.2
• Do code refactoring where needed