Update calico to 1.15.0 + minor update to kube-ovn/weave (#6306)

roles/network_plugin/calico/templates/calico-node.yml.j2

@@ -209,6 +209,11 @@ spec:
 #            # Configure the IP Pool from which Pod IPs will be chosen.
 #            - name: CALICO_IPV4POOL_CIDR
 #              value: "{{ calico_pool_cidr | default(kube_pods_subnet) }}"
+{% if calico_veth_mtu is defined %}
+# Set MTU for the Wireguard tunnel device.
+            - name: FELIX_WIREGUARDMTU
+              value: "{{ calico_veth_mtu }}"
+{% endif %}
             - name: CALICO_IPV4POOL_IPIP
               value: "{{ calico_ipv4pool_ipip }}"
             # Disable IPv6 on Kubernetes.