[UI] EVEREST-1647 Restrict selectable hours for PSMDB db with monthly schedule #3844

Job	Run time
API Integration Tests (1.23.x, false)	12m 40s
Check (1.23.x, false)	2m 49s
CLI Integration Tests (1.23.x, false)	6m 10s
Test (1.23.x, false)	10m 1s
CLI tests (test-all-operators) / CLI test-all-operators	4m 34s
CLI tests (test-mongo-operator) / CLI test-mongo-operator	6m 42s
CLI tests (test-namespaces) / CLI test-namespaces	9m 11s
CLI tests (test-pg-operator) / CLI test-pg-operator	7m 5s
CLI tests (test-pxc-operator) / CLI test-pxc-operator	6m 44s
Merge Gatekeeper	17s
	1h 6m 13s

Provide feedback