Update golang.org/x/mod dependency version

Author: per1234

go.mod

@@ -48,7 +48,7 @@ require (
 	go.bug.st/relaxed-semver v0.0.0-20190922224835-391e10178d18
 	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.14.0 // indirect
 	golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9 // indirect
-	golang.org/x/mod v0.4.0 // indirect
+	golang.org/x/mod v0.4.1 // indirect
 	golang.org/x/net v0.0.0-20201209123823-ac852fbbde11 // indirect
 	golang.org/x/sys v0.0.0-20201207223542-d4d67f95c62d // indirect
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect

go.sum

@@ -1193,6 +1193,8 @@ golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0 h1:8pl+sMODzuvGJkmj2W4kZihvVb5mKm8pB/X44PIQHv8=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.1 h1:Kvvh58BN8Y9/lBi7hTekvtMpm07eUZ0ck5pRHpsMWrY=
+golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180406214816-61147c48b25b/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180816102801-aaf60122140d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=