ship: tower + tower-ui 0.56.x -> 0.57.0 (multi-auth Connect)

Adds SSH-key + token-installer auth methods to Connect Server (188d). Three-tab drawer; one-time URL primitive shared with Teardown (188e). All previous behavior preserved — password tab is the default.

values.yaml

@@ -9,7 +9,7 @@ backend:
     # so every cluster that runs Tower needs the same imagePullSecret
     # provisioned out-of-band (until cluster-platform-v3 owns it).
     repository: registry.odoosky.cloud/odoosky/docker-mirror/tower
-    tag: "0.56.1"
+    tag: "0.57.0"
     pullPolicy: IfNotPresent
   imagePullSecrets:
     - name: docker-mirror-pull
@@ -29,7 +29,7 @@ frontend:
   enabled: true
   image:
     repository: registry.odoosky.cloud/odoosky/docker-mirror/tower-ui
-    tag: "0.56.0"
+    tag: "0.57.0"
     pullPolicy: IfNotPresent
   imagePullSecrets:
     - name: docker-mirror-pull