Fix incorrect spec URL for AggregateError (#6452)
Fix incorrect spec URL for AggregateError (#6452)

This change updates the spec_url value for AggregateError to reference
the correct section of this spec (without this change, it references the
section for NativeError).
chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data