googleCloudRunner 0.3.0.9000

Fix checking for existance of cloudscheduler.serviceAgent (#89 - thanks @BillPetti)
Setting env vars for Cloud Run runtime deployments fixed
Added cr_jwt_create() and family to create JWTs to call authenticated services such as Cloud Run (#91)
Add authenticated Cloud Run use case
Ensure timeout is under 86400 secs (24hrs) in cr_build_make()
Add cr_buildtrigger_copy()
Extra checks for existance of valid auth file when creating build email (#89)
We can't check for existance of cloud build email #94 so cr_setup() will only set roles in assumed present Google service emails.

googleCloudRunner 0.3.0

Move the setup wizard functions from googleCloudRunner to googleAuthR so they are available for all packages.
Check for Cloud Scheduler Service Agent is present for scheduler to work (#73)
cr_build_upload_gcs() will now clean up the files it makes when the function exits (#68 - thanks @MLud)
Support local testing in plumber example (#66 - thanks @samterfa)
Support multiple tags in Docker builds (#75)
Fix being able to pass built Cloud Build objects to schedule via cr_build_schedule_http() (#47)
Add progress for Cloud builds via library(progress) (#29)
Add support for Kaniko cache in cr_buildstep_docker() and cr_deploy_docker() (#46) -should see much quicker repeat builds
Let use of bucket level access control when using cr_deploy_docker()
Added support for creating buildtriggers from R (#78)
cr_deploy_pkgdown(), cr_deploy_docker_trigger() and cr_deploy_packagetests() now all have an option to create the build trigger for you
Add cr_deploy_badger() for creating build badges with Cloud Build via https://github.com/kelseyhightower/badger (#15)
Add cr_deploy_run_website() for rendering Rmd files then hosting on an nginx Cloud Run
The packagetools docker updates weekly gcr.io/gcer-public/packagetools:latest (#55)
Fix cr_schedule() crash of overwrite=TRUE but no existing schedule
Add deploy Shiny to k8s and Cloud Run example use cases
Allow max_instances in cr_run so it can run Shiny apps (#35)
Add cr_buildstep_gcloud() for optimum gcloud builds (#83)

Add port argument to Cloud Run deployments via cr_buildstep_run()
Add cr_deploy_pkgdown and cr_deploy_packagetests add subsequent buildsteps to aid R package development.
Fix cr_buildstep_r() so it can run R scripts from a filename when r_source="runtime" (#45 - thanks @j450h1 and @axel-analyst)
Add ability to run R scripts straight from Cloud Storage (#45 - thanks @j450h1 and @axel-analyst) - specify R script location starting with gs://
Let timeout be specified within cr_build_yaml() (#43 - thanks @dmoimpact)
Correct print method for build substitutions
Update cr_schedule_list() to only return non-nested data
Allow specification of Dockerfile name in cr_buildstep_docker()
Easier parsing of env arguments in cr_buildstep()
Entrypoint in cr_buildstep() accepts one argument only
Allow specification of timezone in cr_schedule() (#49 - thanks @samterfa)
Let cr_deploy_r() pass through arguments to cr_buildstep_r() (#50 - thanks @samterfa)
Modify cr_deploy_packagetests() so it can pass through dot arguments to cr_build_yaml() such as timeout
Add cr_buildstep_secret() using Secret Manager (#52)
Update cr_deploy_pkgdown() to use Secret Manager (#54)
Remove unnecessary projectId argument from cr_build_make() (#57)
Add cr_setup() to help setup a googleCloudRunner environment (#53)