feat(NODE-7316): export number utils (#850)

Author: durran

src/bson.ts

@@ -48,7 +48,8 @@ export {
   MinKey,
   MaxKey,
   BSONRegExp,
-  Decimal128
+  Decimal128,
+  NumberUtils
 };
 export { BSONValue, bsonType, type BSONTypeTag } from './bson_value';
 export { BSONError, BSONVersionError, BSONRuntimeError, BSONOffsetError } from './error';

test/node/exports.test.ts

@@ -38,7 +38,8 @@ const EXPECTED_EXPORTS = [
   'calculateObjectSize',
   'deserializeStream',
   'BSON',
-  'bsonType'
+  'bsonType',
+  'NumberUtils'
 ];
 
 const EXPECTED_EJSON_EXPORTS = ['parse', 'stringify', 'serialize', 'deserialize'];