Support setting annotations on services/endpoints from DevWorkspace

[amisevsk]

Description

With PR #797, changes from devfile/api#661 are now available in the DevWorkspace API. PR #797 added support for setting deployment annotations, but currently the .spec.components[].container.annotation.service and .spec.components[].container.endpoints[].annotation fields are ignored.

Additional context

Devfile API PR introducing feature: devfile/api#661

[AObuchow]

Can we close this in favour of #1023?

[amisevsk]

Ah woops, didn't do a great job searching for old issues.