Changes to GET /v1/posts/export/xlsx

api operation id getExcelExport_1 removed and replaced with getExcelExport_2

deleted the query request parameter accessToken

for the query request parameter channels, the type was generalized from array to string

for the query request parameter tagIds, the type was generalized from array to string

for the query request parameter tagIdsGroup2, the type was generalized from array to string

for the query request parameter tagIdsGroup3, the type was generalized from array to string

for the query request parameter topicIds, the type was generalized from array to string