LibJS: Increase time between garbage collections

This patch ups the max number of heap allocations between each GC
from 10'000 to 100'000. This is still relatively aggressive but already
does a good job of cutting down on time spent in GC.

Userland/Libraries/LibJS/Heap/Heap.h

@@ -106,7 +106,7 @@ private:
         }
     }
 
-    size_t m_max_allocations_between_gc { 10000 };
+    size_t m_max_allocations_between_gc { 100000 };
     size_t m_allocations_since_last_gc { 0 };
 
     bool m_should_collect_on_every_allocation { false };