fix(version): add specific version for updater image [BE-11153] (#12202)

api/datastore/test_data/output_24_to_latest.json

@@ -601,7 +601,7 @@
       "RequiredPasswordLength": 12
     },
     "KubeconfigExpiry": "0",
-    "KubectlShellImage": "portainer/kubectl-shell",
+    "KubectlShellImage": "portainer/kubectl-shell:2.22.0",
     "LDAPSettings": {
       "AnonymousMode": true,
       "AutoCreateUsers": true,

api/portainer.go

@@ -1611,7 +1611,7 @@ const (
 	// DefaultUserSessionTimeout represents the default timeout after which the user session is cleared
 	DefaultKubeconfigExpiry = "0"
 	// DefaultKubectlShellImage represents the default image and tag for the kubectl shell
-	DefaultKubectlShellImage = "portainer/kubectl-shell"
+	DefaultKubectlShellImage = "portainer/kubectl-shell:" + APIVersion
 	// WebSocketKeepAlive web socket keep alive for edge environments
 	WebSocketKeepAlive = 1 * time.Hour
 	// AuthCookieName is the name of the cookie used to store the JWT token