chore(java-bigquerystorage): consolidate versions.txt into root

Author: chingor13

java-bigquerystorage/versions.txt

@@ -937,3 +937,14 @@ grpc-google-cloud-gkerecommender-v1:0.2.0:0.3.0-SNAPSHOT
 google-cloud-cloudapiregistry:0.1.0:0.2.0-SNAPSHOT
 proto-google-cloud-cloudapiregistry-v1beta:0.1.0:0.2.0-SNAPSHOT
 grpc-google-cloud-cloudapiregistry-v1beta:0.1.0:0.2.0-SNAPSHOT
+google-cloud-bigquerystorage:3.19.1:3.19.1
+grpc-google-cloud-bigquerystorage-v1beta1:0.191.1:0.191.1
+grpc-google-cloud-bigquerystorage-v1beta2:0.191.1:0.191.1
+grpc-google-cloud-bigquerystorage-v1:3.19.1:3.19.1
+proto-google-cloud-bigquerystorage-v1beta1:0.191.1:0.191.1
+proto-google-cloud-bigquerystorage-v1beta2:0.191.1:0.191.1
+proto-google-cloud-bigquerystorage-v1:3.19.1:3.19.1
+grpc-google-cloud-bigquerystorage-v1alpha:3.19.1:3.19.1
+proto-google-cloud-bigquerystorage-v1alpha:3.19.1:3.19.1
+proto-google-cloud-bigquerystorage-v1beta:3.19.1:3.19.1
+grpc-google-cloud-bigquerystorage-v1beta:3.19.1:3.19.1