Add kustomize to required tools #2635

Job	Run time
Build image	1m 59s
Linters	1m 25s
drenv tests (3.9)	1m 36s
Golangci Lint (.)	21s
Golangci Lint (api)	8s
drenv tests (3.10)	1m 33s
Unit tests	4m 25s
drenv tests (3.11)	1m 29s
ramenctl tests (3.9)	17s
ramenctl tests (3.10)	14s
ramenctl tests (3.11)	15s
Check artifacts and operator deployment (1.29.1)	1m 33s
Publish built image	1m 24s
	16m 39s

Provide feedback