* Add support for custom metrics for HPA
* Cleanup TargetCPUPercent references from possible places
* HPA v2beta has 80% default cpu limit if not set
Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
Tests for updates to a function of new deployment executor type. Tests check for changes in the environment, scale, secrets etc. Also checks conversion of function executor type from new deployment to pool manager and vice versa