Update k8s.io/client-go dependency to v0.22.5

docs/content/compatibility.md

@@ -2,9 +2,9 @@
 
 Traefik Mesh supports, [similar to Kubernetes](https://kubernetes.io/docs/setup/release/version-skew-policy/#supported-versions), at least the latest three minor versions of Kubernetes, therefore currently:
 
-* 1.17
-* 1.18
-* 1.19
+* 1.21
+* 1.22
+* 1.23
 
 General functionality cannot be guaranted for versions older than that. However, we expect it to work with Kubernetes down to 1.11 currently.
 
@@ -13,10 +13,15 @@ General functionality cannot be guaranted for versions older than that. However,
 Some of Traefik Mesh's features are only supported on certain Kubernetes versions. 
 Please see the table below.
 
-| Features              | K8s 1.17 | K8s 1.18 | K8s 1.19 |
+| Features              | K8s 1.21 | K8s 1.22 | K8s 1.23 |
 |-----------------------|----------|----------|----------|
 | General functionality | ✔        | ✔        | ✔        |
-| Service Topology      | ✔        | ✔        | ✔        |
+| Service Topology      | ✔        | -        | -        |
+
+!!! warning "Service Topology"
+
+    In Kubernetes `v1.22`, the experimental Service Topology feature was removed.
+    Therefore, starting from Traefik Mesh `v1.4.5`, the support of this feature has been removed.
 
 ## SMI Specification support
 

go.mod

@@ -14,9 +14,9 @@ require (
 	github.com/traefik/paerser v0.1.4
 	github.com/traefik/traefik/v2 v2.4.13
 	github.com/vdemeester/shakers v0.1.0
-	k8s.io/api v0.20.2
-	k8s.io/apimachinery v0.20.2
-	k8s.io/client-go v0.20.2
+	k8s.io/api v0.22.5
+	k8s.io/apimachinery v0.22.5
+	k8s.io/client-go v0.22.5
 )
 
 replace github.com/docker/docker => github.com/docker/engine v1.4.2-0.20200204220554-5f6d6f3f2203