Update module golang.org/x/net to v0.28.0

Author: renovate[bot]

go.mod

@@ -23,7 +23,7 @@ require (
 	go.uber.org/zap v1.27.0
 	golang.org/x/crypto v0.26.0
 	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f
-	golang.org/x/net v0.24.0
+	golang.org/x/net v0.28.0
 	golang.org/x/sync v0.7.0
 	golang.org/x/sys v0.19.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6