docs(k8s): kubernetes kapsule and kosmos (#3076)

Co-authored-by: Rémy Léone <rleone@scaleway.com>

Author: scaleway-bot

cmd/scw/testdata/test-all-usage-k8s-usage.golden

@@ -1,6 +1,6 @@
 🎲🎲🎲 EXIT CODE: 0 🎲🎲🎲
 🟥🟥🟥 STDERR️️ 🟥🟥🟥️
-Kapsule API.
+Kubernetes API.
 
 USAGE:
   scw k8s <command>

cmd/scw/testdata/test-main-usage-usage.golden

@@ -17,7 +17,7 @@ AVAILABLE COMMANDS:
   iam           IAM API
   instance      Instance API
   iot           This API allows you to manage IoT hubs and devices
-  k8s           Kapsule API
+  k8s           Kubernetes API
   lb            This API allows you to manage your Scaleway Load Balancer services
   marketplace   Marketplace API
   mnq           This API allows you to manage Scaleway Messaging and Queueing brokers

docs/commands/k8s.md

@@ -1,6 +1,6 @@
 <!-- DO NOT EDIT: this file is automatically generated using scw-doc-gen -->
 # Documentation for `scw k8s`
-Kapsule API.
+Kubernetes API.
 
 - [Kapsule cluster management commands](#kapsule-cluster-management-commands)
   - [Create a new cluster](#create-a-new-cluster)

internal/namespaces/k8s/v1/k8s_cli.go

@@ -50,8 +50,8 @@ func GetGeneratedCommands() *core.Commands {
 }
 func k8sRoot() *core.Command {
 	return &core.Command{
-		Short:     `Kapsule API`,
-		Long:      `Kapsule API.`,
+		Short:     `Kubernetes API`,
+		Long:      `Kubernetes API.`,
 		Namespace: "k8s",
 	}
 }