Bump Cinder's default attr cache size

Summary:
This is already set to 1 for IG - see D47439583 and it's still present: https://www.internalfb.com/code/search?q=repo%3Ainstagram%20PYTHONJITATTRCACHESIZE

We should bump this up for everyone else as they're not as memory contrained.

Reviewed By: alexmalyshev

Differential Revision: D91275003

fbshipit-source-id: edb840377d17070744955436cc52cd3788cf404c

Author: DinoV

cinderx/Jit/config.h

@@ -186,7 +186,7 @@ struct Config {
   size_t max_code_size{0};
   // Size (in number of entries) of the LoadAttrCached and StoreAttrCached
   // inline caches used by the JIT.
-  uint32_t attr_cache_size{1};
+  uint32_t attr_cache_size{4};
   std::optional<uint32_t> compile_after_n_calls;
   GdbOptions gdb;
   JitListOptions jit_list;