weave: Upgrade to 2.4.1

Upstream Changes:

-   weave 2.4.1 (https://github.com/weaveworks/weave/releases/tag/v2.4.1)

Our Changes:

-   Templates sync with upstream manifests

roles/network_plugin/weave/templates/weave-net.yml.j2

@@ -42,13 +42,13 @@ items:
           - patch
           - update
       - apiGroups:
-        - policy
+          - policy
         resourceNames:
-        - privileged
+          - privileged
         resources:
-        - podsecuritypolicies
+          - podsecuritypolicies
         verbs:
-        - use
+          - use
   - apiVersion: rbac.authorization.k8s.io/v1beta1
     kind: ClusterRoleBinding
     metadata: