Support Calico 3.26.x

* Renames calico script to match the version it was intended for: 3.21.
* Match calico_tag 3.26.* with the new manifest. All other versions will
  continue to use manifest intended for 3.21.*
* Calico manifest for 3.26[1] is tested for K8s versions v1.24 through v1.28[2].

[1] https://raw.githubusercontent.com/projectcalico/calico/v3.26.4/manifests/calico.yaml
[2] https://docs.tigera.io/calico/3.26/getting-started/kubernetes/requirements

Change-Id: I548e831c13be9b732303c945b2a7ba97a245b0df

Author: dalees

magnum/drivers/common/templates/kubernetes/fragments/calico-service.sh renamed to magnum/drivers/common/templates/kubernetes/fragments/calico-service-v3-21-x.sh

@@ -1,4 +1,4 @@
-step="calico-service"
+step="calico-service-v3-21-x"
 printf "Starting to run ${step}\n"
 
 set -e