Pod health-checks intervals are hardcoded and not usable in gke with https lb

[constin]

Pod health-checks intervals are hardcoded and not usable in gke with HTTPS LB . timeout is bigger then
PeriodSeconds interval , it should be smaller. This this config ingress with HTTPS LB will never be up.

wordpress-operator/pkg/internal/wordpress/pod_template_test.go

Lines 205 to 209 in 39f32a0

	FailureThreshold: 3,
	InitialDelaySeconds: 10,
	PeriodSeconds: 5,
	SuccessThreshold: 1,
	TimeoutSeconds: 30,

wordpress-operator/pkg/internal/wordpress/pod_template_test.go

Lines 239 to 243 in 39f32a0

	FailureThreshold: 3,
	InitialDelaySeconds: 10,
	PeriodSeconds: 5,
	SuccessThreshold: 1,
	TimeoutSeconds: 30,