chore: start generating REST clients for betas (#6248)

Start generating as many regapic clients as possible for beta/alpha
surfaces. There are some clients that produce known issues while
generating and these have been excluded from this batch and being
tracked elsewhere seperatly.

Changes:

feat(analytics): start generating REST client for beta clients

feat(area120): start generating REST client for beta clients

feat(asset): start generating REST client for beta clients

feat(assuredworkloads): start generating REST client for beta clients

feat(automl): start generating REST client for beta clients

feat(bigquery): start generating REST client for beta clients

feat(binaryauthorization): start generating REST client for beta clients

feat(cloudtasks): start generating REST client for beta clients

feat(containeranalysis): start generating REST client for beta clients

feat(dataflow): start generating REST client for beta clients

feat(dataqna): start generating REST client for beta clients

feat(datastream): start generating REST client for beta clients

feat(dialogflow): start generating REST client for beta clients

feat(domains): start generating REST client for beta clients

feat(errorreporting): start generating REST client for beta clients

feat(gkehub): start generating REST client for beta clients

feat(language): start generating REST client for beta clients

feat(lifesciences): start generating REST client for beta clients

feat(memcache): start generating REST client for beta clients

feat(metastore): start generating REST client for beta clients

feat(osconfig): start generating REST client for beta clients

feat(oslogin): start generating REST client for beta clients

feat(phishingprotection): start generating REST client for beta clients

feat(privatecatalog): start generating REST client for beta clients

feat(recaptchaenterprise): start generating REST client for beta clients

feat(recommender): start generating REST client for beta clients

feat(redis): start generating REST client for beta clients

feat(scheduler): start generating REST client for beta clients

feat(secretmanager): start generating REST client for beta clients

feat(servicedirectory): start generating REST client for beta clients

feat(speech): start generating REST client for beta clients

feat(talent): start generating REST client for beta clients

feat(videointelligence): start generating REST client for beta clients

feat(vision): start generating REST client for beta clients

feat(webrisk): start generating REST client for beta clients

feat(workflows): start generating REST client for beta clients