Update openapi.yml

fix index API paths

Author: sigpwned

openapi.yml

@@ -5,7 +5,7 @@ info:
   contact:
     name: Andy Boothe
     url: https://github.com/sigpwned/pinecone-openapi-spec
-  version: "20230401.1"
+  version: "20230404.0"
 servers:
   - url: https://controller.{environment}.pinecone.io  
     variables:
@@ -114,7 +114,7 @@ paths:
         500:
           $ref: '#/components/responses/InternalError'
 
-  /indexes:
+  /databases:
     get:
       tags:
         - Index Operations
@@ -159,7 +159,7 @@ paths:
         500:
           $ref: '#/components/responses/InternalError'
 
-  /indexes/{indexName}:
+  /databases/{indexName}:
     parameters:
       - name: indexName
         required: true