Renovate bot config python (#773)
Renovate bot config python (#773)

* enable lockFileMaintenance

* set null schedule

* Revert change

* Remove comma

* Add python constraint to renovate.json
GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo