build(deps): bump golang.org/x/sys from 0.19.0 to 0.21.0

Bumps [golang.org/x/sys](https://github.com/golang/sys) from 0.19.0 to 0.21.0.
- [Commits](golang/sys@v0.19.0...v0.21.0)

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

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

go.mod

@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/hashicorp/go-set/v2 v2.1.0
 	github.com/shoenig/test v1.8.0
-	golang.org/x/sys v0.19.0
+	golang.org/x/sys v0.21.0
 	kernel.org/pub/linux/libs/security/libcap/psx v1.2.69
 )
 

go.sum

@@ -4,7 +4,7 @@ github.com/hashicorp/go-set/v2 v2.1.0 h1:iERPCQWks+I+4bTgy0CT2myZsCqNgBg79ZHqwni
 github.com/hashicorp/go-set/v2 v2.1.0/go.mod h1:6q4nh8UCVZODn2tJ5RbJi8+ki7pjZBsAEYGt6yaGeTo=
 github.com/shoenig/test v1.8.0 h1:8f4lrmjkoSykT+EfiTtJuWbV4eaNEBWsYXcl1n6C6BY=
 github.com/shoenig/test v1.8.0/go.mod h1:UxJ6u/x2v/TNs/LoLxBNJRV9DiwBBKYxXSyczsBHFoI=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 kernel.org/pub/linux/libs/security/libcap/psx v1.2.69 h1:IdrOs1ZgwGw5CI+BH6GgVVlOt+LAXoPyh7enr8lfaXs=
 kernel.org/pub/linux/libs/security/libcap/psx v1.2.69/go.mod h1:+l6Ee2F59XiJ2I6WR5ObpC1utCQJZ/VLsEbQCD8RG24=