Devfile API should be updated to support Go 1.21

[michael-valdron]

Which area is this issue related to?

/kind task

/area api

Issue Description

Update devfile/api Go modules to use Go 1.21 with bumps to use k8s api v0.29.2.

Blocks #1543 due to devfile library changes requiring devfile api Go modules 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

[michael-valdron]

These changes should target devfile v2.3.0 minor release.

[michael-valdron]

PR #1545 has changes to resolve this issue.