[ ] when actual PVC size is different from desired (default=20Gi) than DockerRegistry CR should result in warning condition
[ ] actual used size is shown in the status
Reasons
At the moment it it a fixed value of 20 Gi and for some users who use serverless extensively it is not enough.
Additionally, if we expose it for other usecases as well (https://github.com/kyma-project/kyma/issues/18555) than the need to expand it would become even more urgent.
Description
Expose internal docker registry storage size in the serverless CR:
Reasons
At the moment it it a fixed value of 20 Gi and for some users who use serverless extensively it is not enough. Additionally, if we expose it for other usecases as well (https://github.com/kyma-project/kyma/issues/18555) than the need to expand it would become even more urgent.