updated mongo driver dependencies to v2

# Conflicts:
#	exerr/constructor.go
#	exerr/dataCategory.go
#	exerr/dataSeverity.go
#	exerr/dataType.go
#	exerr/exerr.go
#	go.mod
#	mongoext/registry.go
#	reflectext/primStrSer.go
#	rfctime/date.go
#	rfctime/rfc3339.go
#	rfctime/rfc3339Nano.go
#	rfctime/seconds.go
#	rfctime/unix.go
#	rfctime/unixMilli.go
#	rfctime/unixNano.go
#	wmo/collection.go
#	wmo/queryInsert.go

mongoext/projections.go

@@ -1,7 +1,7 @@
 package mongoext
 
 import (
-	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/v2/bson"
 	"reflect"
 	"strings"
 )