Bump golang.org/x/sys from 0.24.0 to 0.25.0 in /test/agent (#3052)

Bumps [golang.org/x/sys](https://github.com/golang/sys) from 0.24.0 to 0.25.0.
- [Commits](golang/sys@v0.24.0...v0.25.0)

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

test/agent/go.mod

@@ -5,7 +5,7 @@ go 1.22.3
 require (
 	github.com/coreos/go-iptables v0.8.0
 	github.com/vishvananda/netlink v1.3.0
-	golang.org/x/sys v0.24.0
+	golang.org/x/sys v0.25.0
 )
 
 require github.com/vishvananda/netns v0.0.4 // indirect

test/agent/go.sum

@@ -6,5 +6,5 @@ github.com/vishvananda/netns v0.0.4 h1:Oeaw1EM2JMxD51g9uhtC0D7erkIjgmj8+JZc26m1Y
 github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
-golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=