Actual Behaviour

Operator version in Tekton Config CR is not updating on Operator upgrades

Expected Behaviour

Operator version in Tekton Config CR should be updated on Operator upgrades

Steps to reproduce

1. Install v1.6.1 operator
2. Check version field in status of tekton config CR. It should be v1.6.1
```
oc get tektonconfig config -o yaml | grep -E "version: v.+"
```
3. Upgrade to v1.6.2 operator
4. Check version field in status of tekton config CR. It is same v1.6.1
```
oc get tektonconfig config -o yaml | grep -E "version: v.+"
```