Changes to Get error event subscriptions for a process instance

for the query request parameter page, default value 1 was added

for the query request parameter size, default value 10 was added

for the query request parameter size, the max was set to 100.00

for the query request parameter page, the min was set to 1.00

for the query request parameter size, the min was set to 1.00

added the non-success response with the status 405

endpoint added