build(deps): bump golang.org/x/sys from 0.38.0 to 0.39.0 (#6254)

Author: dependabot[bot]

go.mod

@@ -139,7 +139,7 @@ require (
 	go.yaml.in/yaml/v3 v3.0.4
 	golang.org/x/mod v0.30.0
 	golang.org/x/sync v0.18.0
-	golang.org/x/sys v0.38.0
+	golang.org/x/sys v0.39.0
 	golang.org/x/tools v0.39.0
 	honnef.co/go/tools v0.6.1
 	mvdan.cc/gofumpt v0.9.2