Adjust periodic test frequency for devfile integration tests

[josephca]

Which area/kind this issue is related to?

/area integration-tests

Issue Description

In order to cope with resource-saving efforts, the frequency of the periodic tests is adjusted at appropriate intervals.

Periodic test intervals

• OCP v4.11 : daily (Mon-Fri)
• OCP v4.10: weekly
• OCP v4.9: bi-weekly

[josephca]

Resolved by openshift/release#32170