Change boolean size to 1 byte

codegen/array/snippets/copy_capped

@@ -8,7 +8,7 @@
   // MSVC Spectre mitigation warnings
   u64 to_copy    = src->count < dst->capacity ? src->count : dst->capacity;
   u64 item_index = 0;
-  b32 running    = true;
+  b8 running    = true;
   while (running) {{
     item = wapp_{Tlower}_array_get(src, item_index);
     ++item_index;