Changes to GET /v4/opportunities

query request parameter items list-of-types was narrowed by removing types number

query request parameter page list-of-types was narrowed by removing types number

for the query request parameter page, the max was set to 1000000.00

added subschema #1 subschema #2 to the items response property anyOf list for the response status 200

removed subschema #1 subschema #2 from the items response property anyOf list for the response status 200