Automatic rebaseline of codesize expectations. NFC (#26007)

This is an automatic change generated by
tools/maint/rebaseline_tests.py.

The following (1) test expectation files were updated by
running the tests with `--rebaseline`:

```
codesize/test_codesize_cxx_lto.json: 125444 => 125441 [-3 bytes / -0.00%]

Average change: -0.00% (-0.00% - -0.00%)
```

Co-authored-by: emscripten-bot <emscripten-bot@users.noreply.github.com>

Author: emscripten-bot

test/codesize/test_codesize_cxx_lto.json

@@ -1,10 +1,10 @@
 {
   "a.out.js": 18993,
   "a.out.js.gz": 7823,
-  "a.out.nodebug.wasm": 106451,
-  "a.out.nodebug.wasm.gz": 42641,
-  "total": 125444,
-  "total_gz": 50464,
+  "a.out.nodebug.wasm": 106448,
+  "a.out.nodebug.wasm.gz": 42638,
+  "total": 125441,
+  "total_gz": 50461,
   "sent": [
     "a (emscripten_resize_heap)",
     "b (_setitimer_js)",