build(deps): bump golang.org/x/sys in /sdk/go/example/mirror

Bumps [golang.org/x/sys](https://github.com/golang/sys) from 0.0.0-20210510120138-977fb7262007 to 0.1.0.
- [Release notes](https://github.com/golang/sys/releases)
- [Commits](https://github.com/golang/sys/commits/v0.1.0)

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

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

sdk/go/example/mirror/go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/keepeye/logrus-filename v0.0.0-20190711075016-ce01a4391dd1 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	go.nanomsg.org/mangos/v3 v3.2.1 // indirect
-	golang.org/x/sys v0.0.0-20210510120138-977fb7262007 // indirect
+	golang.org/x/sys v0.1.0 // indirect
 )
 
 replace github.com/lf-edge/ekuiper/sdk/go => ../../

sdk/go/example/mirror/go.sum

@@ -18,5 +18,5 @@ go.nanomsg.org/mangos/v3 v3.2.1 h1:/7pG6tUJO5ZGznG+waoMy6WrurArODDRJu18848oQnw=
 go.nanomsg.org/mangos/v3 v3.2.1/go.mod h1:RxVwsn46YtfJ74mF8MeVo+MFjg545KCI50NuZrFXmzc=
 golang.org/x/sys v0.0.0-20181128092732-4ed8d59d0b35/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007 h1:gG67DSER+11cZvqIMb8S8bt0vZtiN6xWYARwirrOSfE=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=