The process of creating a GitHub application is explained in
Pipelines-as-Code documentation.
The same secret described there, should be deployed to the build-service and
integration-service namespaces as well.
⚙️ Repeat the kubectl create secret command described there for the
pipelines-as-code namespace, also for those namespace:
kubectl -n pipelines-as-code create secret generic pipelines-as-code-secret \
...kubectl -n build-service create secret generic pipelines-as-code-secret \
...kubectl -n integration-service create secret generic pipelines-as-code-secret \
...