multi: update mapstructure/v2

go-viper's mapstructure may leak sensitive information in logs when processing
malformed data. Updating to the version where the bug is fixed.

sqldb/go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/go-viper/mapstructure/v2 v2.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect