The pipeline clearup seems to work but taskrun clearup fails for some
reason
```
All but 10 PipelineRuns(Completed) deleted in namespace "pct-security-tooling"
Error: failed to delete TaskRun "osh-scan-scm-taskrun-test-pjtvw":
taskruns.tekton.dev "osh-scan-scm-taskrun-test-pjtvw" is forbidden: User
"system:serviceaccount:pct-security-tooling:osh" cannot delete resource
"taskruns" in API group "tekton.dev" in the namespace
"pct-security-tooling"; failed to delete TaskRun
"osh-scan-scm-taskrun-test-9gx7z": taskruns.tekton.dev
"osh-scan-scm-taskrun-test-9gx7z" is forbidden: User
"system:serviceaccount:pct-security-tooling:osh" cannot delete resource
"taskruns" in API group "tekton.dev" in the namespace
"pct-security-tooling"; failed to delete TaskRun
"osh-scan-scm-taskrun-test-g7vlh": taskruns.tekton.dev
"osh-scan-scm-taskrun-test-g7vlh" is forbidden: User
"system:serviceaccount:pct-security-tooling:osh" cannot delete resource
"taskruns" in API group "tekton.dev" in the namespace
"pct-security-tooling"; ....
```