chore: upgrade godeltaprof v0.1.4 => v0.1.6 (#92)

Author: korniltsev

go.mod

@@ -4,6 +4,6 @@ go 1.17
 
 replace github.com/grafana/pyroscope-go/godeltaprof => ./godeltaprof
 
-require github.com/grafana/pyroscope-go/godeltaprof v0.1.4
+require github.com/grafana/pyroscope-go/godeltaprof v0.1.6
 
 require github.com/klauspost/compress v1.17.3 // indirect