build(deps): bump golang.org/x/sys

Bumps the golang-x group in /src/go/rdctl with 1 update: [golang.org/x/sys](https://github.com/golang/sys).


Updates `golang.org/x/sys` from 0.28.0 to 0.29.0
- [Commits](golang/sys@v0.28.0...v0.29.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sys
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: golang-x
...

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

src/go/rdctl/go.mod

@@ -9,9 +9,8 @@ require (
 	github.com/hashicorp/go-multierror v1.1.1
 	github.com/sirupsen/logrus v1.9.4-0.20230606125235-dd1b4c2e81af
 	github.com/spf13/cobra v1.8.1
-	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.10.0
-	golang.org/x/sys v0.28.0
+	golang.org/x/sys v0.29.0
 	golang.org/x/text v0.21.0
 )
 
@@ -25,6 +24,7 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	gotest.tools/v3 v3.5.1 // indirect

src/go/rdctl/go.sum

@@ -49,8 +49,8 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
+golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
 golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=