Wire jit_got_size into pystats print and merge

Mirrors the wiring of the other jit_*_size counters: emit the value in
print_optimization_stats and accumulate it in merge_optimization_stats
so merged stats include the GOT size.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: eendebakpt

Python/pystats.c

@@ -326,6 +326,7 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
     fprintf(out, "JIT code size: %" PRIu64 "\n", stats->jit_code_size);
     fprintf(out, "JIT trampoline size: %" PRIu64 "\n", stats->jit_trampoline_size);
     fprintf(out, "JIT data size: %" PRIu64 "\n", stats->jit_data_size);
+    fprintf(out, "JIT GOT size: %" PRIu64 "\n", stats->jit_got_size);
     fprintf(out, "JIT padding size: %" PRIu64 "\n", stats->jit_padding_size);
     fprintf(out, "JIT freed memory size: %" PRIu64 "\n", stats->jit_freed_memory_size);
 
@@ -479,6 +480,7 @@ merge_optimization_stats(OptimizationStats *dest, const OptimizationStats *src)
     dest->jit_code_size += src->jit_code_size;
     dest->jit_trampoline_size += src->jit_trampoline_size;
     dest->jit_data_size += src->jit_data_size;
+    dest->jit_got_size += src->jit_got_size;
     dest->jit_padding_size += src->jit_padding_size;
     dest->jit_freed_memory_size += src->jit_freed_memory_size;