Add v1.48.0 release of grpc-go to interop matrix (#30281)
Add v1.48.0 release of grpc-go to interop matrix (#30281)


stanley-cheung/grpc,jtattermusch/grpc,ejona86/grpc,jtattermusch/grpc,stanley-cheung/grpc,grpc/grpc,jtattermusch/grpc,grpc/grpc,stanley-cheung/grpc,ejona86/grpc,grpc/grpc,stanley-cheung/grpc,jtattermusch/grpc,ejona86/grpc,ejona86/grpc,grpc/grpc,stanley-cheung/grpc,grpc/grpc,ejona86/grpc,jtattermusch/grpc,jtattermusch/grpc,grpc/grpc,ejona86/grpc,grpc/grpc,stanley-cheung/grpc,ejona86/grpc,stanley-cheung/grpc,ejona86/grpc,ejona86/grpc,grpc/grpc,grpc/grpc,ejona86/grpc,jtattermusch/grpc,ejona86/grpc,stanley-cheung/grpc,stanley-cheung/grpc,stanley-cheung/grpc,stanley-cheung/grpc,ejona86/grpc,jtattermusch/grpc,jtattermusch/grpc,grpc/grpc,jtattermusch/grpc,grpc/grpc,jtattermusch/grpc,jtattermusch/grpc,grpc/grpc,stanley-cheung/grpc