Bump github.com/dvsekhvalnov/jose2go in /tests/system (#1769)

Bumps [github.com/dvsekhvalnov/jose2go](https://github.com/dvsekhvalnov/jose2go) from 1.5.0 to 1.6.0.
- [Commits](https://github.com/dvsekhvalnov/jose2go/compare/v1.5...v1.6.0)

---
updated-dependencies:
- dependency-name: github.com/dvsekhvalnov/jose2go
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tests/system/go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/cosmos/gogogateway v1.2.0 // indirect
 	github.com/cosmos/gogoproto v1.4.11 // indirect
 	github.com/cosmos/iavl v1.0.0 // indirect
-	github.com/dvsekhvalnov/jose2go v1.5.0 // indirect
+	github.com/dvsekhvalnov/jose2go v1.6.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect

tests/system/go.sum

@@ -225,8 +225,8 @@ github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:Htrtb
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/dvsekhvalnov/jose2go v1.5.0 h1:3j8ya4Z4kMCwT5nXIKFSV84YS+HdqSSO0VsTQxaLAeM=
-github.com/dvsekhvalnov/jose2go v1.5.0/go.mod h1:QsHjhyTlD/lAVqn/NSbVZmSCGeDehTB/mPZadG+mhXU=
+github.com/dvsekhvalnov/jose2go v1.6.0 h1:Y9gnSnP4qEI0+/uQkHvFXeD2PLPJeXEL+ySMEA2EjTY=
+github.com/dvsekhvalnov/jose2go v1.6.0/go.mod h1:QsHjhyTlD/lAVqn/NSbVZmSCGeDehTB/mPZadG+mhXU=
 github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=