Bump golang.org/x/crypto in /example

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.0.0-20200429183012-4b2356b1ed79 to 0.1.0.
- [Release notes](https://github.com/golang/crypto/releases)
- [Commits](https://github.com/golang/crypto/commits/v0.1.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

example/go.mod

@@ -3,21 +3,12 @@ module gmicro
 go 1.14
 
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/gmsec/micro v0.0.0-20200509132353-c4ecace717cb
-	github.com/golang/protobuf v1.4.1
-	github.com/miekg/dns v1.1.29 // indirect
-	github.com/stretchr/testify v1.4.0 // indirect
+	github.com/golang/protobuf v1.5.2
 	github.com/xxjwxc/gowp v0.0.0-20200603130651-4d7368b0e285
-	github.com/xxjwxc/public v0.0.0-20200604090416-5afd146414d5
-	golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 // indirect
-	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect
-	golang.org/x/sys v0.0.0-20200509044756-6aff5f38e54f // indirect
-	google.golang.org/genproto v0.0.0-20200507105951-43844f6eee31 // indirect
-	google.golang.org/grpc v1.29.1
-	google.golang.org/protobuf v1.22.0
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	gopkg.in/yaml.v2 v2.2.7 // indirect
+	github.com/xxjwxc/public v0.0.0-20230103091848-ecbc2d279c6a
+	google.golang.org/grpc v1.53.0
+	google.golang.org/protobuf v1.28.1
 )
 
 replace github.com/gmsec/micro => ../