[HOLD] ⚠️ Bump ClusterCatalog API to v1

[perdasilva]

Bumps ClusterCatalog API to v1

Closes #341

[codecov]

Codecov Report

Attention: Patch coverage is 80.43478% with 9 lines in your changes missing coverage. Please review.

Project coverage is 38.23%. Comparing base (20acf03) to head (541d79c).

Files with missing lines	Patch %	Lines
...rnal/controllers/core/clustercatalog_controller.go	87.50%	4 Missing ⚠️
internal/source/containers_image.go	71.42%	1 Missing and 1 partial ⚠️
api/core/v1/zz_generated.deepcopy.go	0.00%	1 Missing ⚠️
cmd/manager/main.go	0.00%	1 Missing ⚠️
internal/webhook/cluster_catalog_webhook.go	75.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #380   +/-   ##
=======================================
  Coverage   38.23%   38.23%           
=======================================
  Files          15       15           
  Lines        1224     1224           
=======================================
  Hits          468      468           
  Misses        706      706           
  Partials       50       50           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[perdasilva]

/hold until we are ready to release

[joelanford]

While we're at it, remove the "core" layer of the directory structure? That is a holdover from when we had kube APIs for serving the catalog contents.