Automatic rebaseline of codesize expectations. NFC

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

The following (2) test expectation files were updated by
running the tests with `--rebaseline`:

```
code_size/test_codesize_minimal_pthreads.json: 27237 => 27226 [-11 bytes / -0.04%]
code_size/test_codesize_minimal_pthreads_memgrowth.json: 27665 => 27654 [-11 bytes / -0.04%]

Average change: -0.04% (-0.04% - -0.04%)
```

Author: juj

test/code_size/test_codesize_minimal_pthreads.json

@@ -1,10 +1,10 @@
 {
-  "a.out.js": 7649,
-  "a.out.js.gz": 3768,
+  "a.out.js": 7638,
+  "a.out.js.gz": 3753,
   "a.out.nodebug.wasm": 19588,
   "a.out.nodebug.wasm.gz": 9025,
-  "total": 27237,
-  "total_gz": 12793,
+  "total": 27226,
+  "total_gz": 12778,
   "sent": [
     "a (memory)",
     "b (emscripten_get_now)",

test/code_size/test_codesize_minimal_pthreads_memgrowth.json

@@ -1,10 +1,10 @@
 {
-  "a.out.js": 8076,
-  "a.out.js.gz": 3974,
+  "a.out.js": 8065,
+  "a.out.js.gz": 3960,
   "a.out.nodebug.wasm": 19589,
   "a.out.nodebug.wasm.gz": 9025,
-  "total": 27665,
-  "total_gz": 12999,
+  "total": 27654,
+  "total_gz": 12985,
   "sent": [
     "a (memory)",
     "b (emscripten_get_now)",