Update go.mod with newer pretty version required by ebpf
This commit updates pretty module to version 0.2.1 because it is
required by ebpf version 0.4.0 which was introduced in
(Implement support for Node Resource Interface).
@@ -10,7 +10,7 @@ require (
github.com/gorilla/mux v1.7.4 // indirect
github.com/iovisor/gobpf v0.0.0-20191129151106-ac26197bb7be // indirect
github.com/kinvolk/traceloop v0.0.0-20210623155108-6f4efc6fca46
- github.com/kr/pretty v0.2.0
+ github.com/kr/pretty v0.2.1
github.com/moby/term v0.0.0-20200507201656-73f35e472e8f // indirect
github.com/morikuni/aec v1.0.0 // indirect
github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
