@Julia_Tazin, the quickstart example you point to seems to be incorrect for V2.
When I try to run the given code I get:
$ go run main.go
main.go:11:2: no required module provides package go.mongodb.org/mongo-driver/bson; to add it:
go get go.mongodb.org/mongo-driver/bson
main.go:12:2: no required module provides package go.mongodb.org/mongo-driver/mongo; to add it:
go get go.mongodb.org/mongo-driver/mongo
main.go:13:2: no required module provides package go.mongodb.org/mongo-driver/mongo/options; to add it:
go get go.mongodb.org/mongo-driver/mongo/options
If I try to add any of those packages, it pulls in the v1.17.2 driver
$ go get go.mongodb.org/mongo-driver/bson
go: added go.mongodb.org/mongo-driver v1.17.2