Tekton hub is not honouring `catalogRefreshInterval`, The value set to `catalogRefreshInterval` is not getting updated in the `tekton-hub-api` configmap.

Steps to reproduce:

• Create tekonhub custom resource 
• Update the catalogRefreshInterval in tektkon hub custom resource to 10m
• Verify if the the configmap key CATALOG_REFRESH_INTERVAL of configmap tekton-hub-api in openshift-pipelines namespace is having the value 10m

Expected Output:{}

The key CATALOG_REFRESH_INTERVAL of configmap tekton-hub-api in openshift-pipelines namespace should have the value 10m

Actual Output:

The key CATALOG_REFRESH_INTERVAL of configmap tekton-hub-api in openshift-pipelines namespace is set to 30m