feat(internal/gapicgen): change versionClient for gapics (#5687)

With this commit we will add an init function that will set the
versionClient var to the module version. This will improve version
reporting for all calls.

Changes:

feat(accessapproval): set versionClient to module version

feat(accesscontextmanager): set versionClient to module version

feat(aiplatform): set versionClient to module version

feat(analytics): set versionClient to module version

feat(apigateway): set versionClient to module version

feat(apigeeconnect): set versionClient to module version

feat(appengine): set versionClient to module version

feat(area120): set versionClient to module version

feat(artifactregistry): set versionClient to module version

feat(asset): set versionClient to module version

feat(assuredworkloads): set versionClient to module version

feat(automl): set versionClient to module version

feat(bigtable): set versionClient to module version

feat(billing): set versionClient to module version

feat(binaryauthorization): set versionClient to module version

feat(channel): set versionClient to module version

feat(cloudbuild): set versionClient to module version

feat(clouddms): set versionClient to module version

feat(cloudtasks): set versionClient to module version

feat(compute): set versionClient to module version

feat(contactcenterinsights): set versionClient to module version

feat(container): set versionClient to module version

feat(containeranalysis): set versionClient to module version

feat(datacatalog): set versionClient to module version

feat(dataflow): set versionClient to module version

feat(datafusion): set versionClient to module version

feat(datalabeling): set versionClient to module version

feat(dataplex): set versionClient to module version

feat(dataproc): set versionClient to module version

feat(dataqna): set versionClient to module version

feat(datastream): set versionClient to module version

feat(deploy): set versionClient to module version

feat(dialogflow): set versionClient to module version

feat(dlp): set versionClient to module version

feat(documentai): set versionClient to module version

feat(domains): set versionClient to module version

feat(essentialcontacts): set versionClient to module version

feat(eventarc): set versionClient to module version

feat(filestore): set versionClient to module version

feat(firestore): set versionClient to module version

feat(functions): set versionClient to module version

feat(gaming): set versionClient to module version

feat(gkeconnect): set versionClient to module version

feat(gkehub): set versionClient to module version

feat(grafeas): set versionClient to module version

feat(gsuiteaddons): set versionClient to module version

feat(iam): set versionClient to module version

feat(iap): set versionClient to module version

feat(ids): set versionClient to module version

feat(iot): set versionClient to module version

feat(kms): set versionClient to module version

feat(language): set versionClient to module version

feat(lifesciences): set versionClient to module version

feat(managedidentities): set versionClient to module version

feat(mediatranslation): set versionClient to module version

feat(memcache): set versionClient to module version

feat(metastore): set versionClient to module version

feat(monitoring): set versionClient to module version

feat(networkconnectivity): set versionClient to module version

feat(networkmanagement): set versionClient to module version

feat(networksecurity): set versionClient to module version

feat(notebooks): set versionClient to module version

feat(orchestration): set versionClient to module version

feat(orgpolicy): set versionClient to module version

feat(osconfig): set versionClient to module version

feat(oslogin): set versionClient to module version

feat(phishingprotection): set versionClient to module version

feat(policytroubleshooter): set versionClient to module version

feat(privatecatalog): set versionClient to module version

feat(pubsublite): set versionClient to module version

feat(recaptchaenterprise): set versionClient to module version

feat(recommendationengine): set versionClient to module version

feat(recommender): set versionClient to module version

feat(redis): set versionClient to module version

feat(resourcemanager): set versionClient to module version

feat(resourcesettings): set versionClient to module version

feat(retail): set versionClient to module version

feat(scheduler): set versionClient to module version

feat(secretmanager): set versionClient to module version

feat(security): set versionClient to module version

feat(securitycenter): set versionClient to module version

feat(servicecontrol): set versionClient to module version

feat(servicedirectory): set versionClient to module version

feat(servicemanagement): set versionClient to module version

feat(serviceusage): set versionClient to module version

feat(shell): set versionClient to module version

feat(spanner): set versionClient to module version

feat(speech): set versionClient to module version

feat(storagetransfer): set versionClient to module version

feat(talent): set versionClient to module version

feat(texttospeech): set versionClient to module version

feat(tpu): set versionClient to module version

feat(trace): set versionClient to module version

feat(video): set versionClient to module version

feat(videointelligence): set versionClient to module version

feat(vision): set versionClient to module version

feat(vmmigration): set versionClient to module version

feat(vpcaccess): set versionClient to module version

feat(webrisk): set versionClient to module version

feat(websecurityscanner): set versionClient to module version

feat(workflows): set versionClient to module version

feat(bigquery): set versionClient to module version

feat(datastore): set versionClient to module version

feat(errorreporting): set versionClient to module version

feat(firestore): set versionClient to module version

feat(logging): set versionClient to module version

feat(profiler): set versionClient to module version

feat(pubsub): set versionClient to module version

feat(translate): set versionClient to module version

feat(spanner): set versionClient to module version

feat(storage): set versionClient to module version