fix: added support for Chennai region for vpe object (#26)

Co-authored-by: Conall Ó Cofaigh <[email protected]>

Author: verism

ibm_catalog.json

@@ -147,6 +147,10 @@
               "key": "region",
               "required": true,
               "options": [
+                {
+                  "displayname": "Chennai (in-che)",
+                  "value": "in-che"
+                },
                 {
                   "displayname": "Sydney (au-syd)",
                   "value": "au-syd"