Update cilium with minor fix for CVE (#6784)

README.md

@@ -122,10 +122,10 @@ Note: Upstart/SysV init based OS types are not supported.
   - [containerd](https://containerd.io/) v1.3.7
   - [cri-o](http://cri-o.io/) v1.17 (experimental: see [CRI-O Note](docs/cri-o.md). Only on fedora, ubuntu and centos based OS)
 - Network Plugin
-  - [cni-plugins](https://github.com/containernetworking/plugins) v0.8.6
+  - [cni-plugins](https://github.com/containernetworking/plugins) v0.8.7
   - [calico](https://github.com/projectcalico/calico) v3.16.1
   - [canal](https://github.com/projectcalico/canal) (given calico/flannel versions)
-  - [cilium](https://github.com/cilium/cilium) v1.8.3
+  - [cilium](https://github.com/cilium/cilium) v1.8.4
   - [contiv](https://github.com/contiv/install) v1.2.1
   - [flanneld](https://github.com/coreos/flannel) v0.12.0
   - [kube-ovn](https://github.com/alauda/kube-ovn) v1.3.0

roles/download/defaults/main.yml

@@ -79,7 +79,7 @@ cni_version: "v0.8.7"
 weave_version: 2.7.0
 pod_infra_version: "3.3"
 contiv_version: 1.2.1
-cilium_version: "v1.8.3"
+cilium_version: "v1.8.4"
 kube_ovn_version: "v1.3.0"
 kube_router_version: "v1.0.1"
 multus_version: "v3.6"