Update module github.com/cilium/cilium to v1.18.4

Author: renovate[bot]

go.mod

@@ -6,7 +6,7 @@ toolchain go1.25.3
 
 require (
 	github.com/appscode/go v0.0.0-20201105063637-5613f3b8169f
-	github.com/cilium/cilium v1.18.2
+	github.com/cilium/cilium v1.18.4
 	github.com/getsentry/sentry-go v0.35.3
 	github.com/golang/mock v1.6.0
 	github.com/google/uuid v1.6.0

go.sum

@@ -28,8 +28,8 @@ github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK3
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cilium/cilium v1.18.2 h1:ZqxNBoVLMYbJIYiKXWXna5kxd4XiE9IRww9vdaKJZoo=
-github.com/cilium/cilium v1.18.2/go.mod h1:2FzcCUTmMUDdOYxZgyeu1DXbnlwgLHQdzK3FWj+28ME=
+github.com/cilium/cilium v1.18.4 h1:/HrbeMmk46UDkJs4uJemIqxB7wuZ+QRMNVscNYua5C8=
+github.com/cilium/cilium v1.18.4/go.mod h1:PPAuhDhMHOLaAiraQKDxEHUTmE68RrDlZj3988R+Lco=
 github.com/cilium/ebpf v0.19.0 h1:Ro/rE64RmFBeA9FGjcTc+KmCeY6jXmryu6FfnzPRIao=
 github.com/cilium/ebpf v0.19.0/go.mod h1:fLCgMo3l8tZmAdM3B2XqdFzXBpwkcSTroaVqN08OWVY=
 github.com/cilium/hive v0.0.0-20250611195437-5a5dacdfb354 h1:4G9PC8nQw4pGW5wCMA0g8J8rK1l4C3owlceAOQggXzs=