chore(cloudscheduler): update the api

#### cloudscheduler:v1beta1

The following keys were added:
- resources.projects.resources.locations.resources.jobs.methods.delete.parameters.legacyAppEngineCron (Total Keys: 2)
- resources.projects.resources.locations.resources.jobs.methods.list.parameters.legacyAppEngineCron (Total Keys: 2)
- schemas.Job.properties.legacyAppEngineCron (Total Keys: 1)
- schemas.RunJobRequest.properties.legacyAppEngineCron (Total Keys: 1)

Author: yoshi-automation