[csi-plugins] add support for PVC annotations

[kayrus]

What this PR does / why we need it:

This PR adds an ability to use PVC annotations to create persistent volumes with extra options.

For manila-csi-plugin a new groupID option is added allowing the share to be created in a specific group.

Which issue this PR fixes(if applicable): fixes #2685

Special notes for reviewers:

This is a fraft, since it's depends on:

• https://github.com/gophercloud/gophercloud/pull/3211
• https://github.com/gophercloud/gophercloud/pull/3205

Release note:

[csi-plugins] add support for PVC annotations
[manila-csi-plugin] add support for share group id