feat: support custom namespace configuration for `StrimziKafkaTopic` #3639

Job	Run time
Docs	21s
Format	11s
Lint (ubuntu-24.04, 3.11)	18s
Test (ubuntu-24.04, 3.11, false)	1m 12s
Test (ubuntu-24.04, 3.12, false)	1m 6s
Test (windows-2022, 3.11, false)	2m 46s
Test (windows-2022, 3.12, false)	2m 55s
Publish snapshot to TestPyPI	15s
Publish docs (main)	0s
Publish docs (dev)	39s
	9m 43s

Provide feedback