Spec: Fix minor type issue in consume budget if permitted

The algorithm takes a long when it should just take an integer (as the sum of many longs may not fit in a long).

spec.bs

@@ -697,8 +697,8 @@ null |timeout|:
     |currentWallTime|.
 1. [=set/Append=] |report| to the user agent's [=aggregatable report cache=].
 
-To <dfn algorithm>consume budget if permitted</dfn> given a {{long}} |value|, an
-[=origin=] <var ignore=''>origin</var>, a [=context type=] |api| and a
+To <dfn algorithm>consume budget if permitted</dfn> given an integer |value|,
+an [=origin=] <var ignore=''>origin</var>, a [=context type=] |api| and a
 [=moment=] |currentTime|, perform [=implementation-defined=] steps. They return
 a [=boolean=], which indicates whether there is sufficient 'contribution budget'
 left to send the requested contribution |value|. This budget should be bound to