Migrate to use NESE Storage GB Rate

Closes https://github.com/issues/assigned?issue=CCI-MOC%7Cnerc-rates%7C45.
Migrate of our codebases to use the more specific NESE Storage GB Rate rate when referring to storage

Author: KelvinLinBU

src/coldfront_plugin_cloud/management/commands/calculate_storage_gb_hours.py

@@ -252,14 +252,14 @@ def process_invoice_row(allocation, attrs, su_name, rate):
             openstack_storage_rate = options["openstack_gb_rate"]
         else:
             openstack_storage_rate = get_rates().get_value_at(
-                "Storage GB Rate", options["invoice_month"], Decimal
+                "NESE Storage GB Rate", options["invoice_month"], Decimal
             )
 
         if options["openshift_gb_rate"]:
             openshift_storage_rate = options["openshift_gb_rate"]
         else:
             openshift_storage_rate = get_rates().get_value_at(
-                "Storage GB Rate", options["invoice_month"], Decimal
+                "NESE Storage GB Rate", options["invoice_month"], Decimal
             )
 
         logger.info(