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`:

```
codesize/test_codesize_cxx_wasmfs.json: 179507 => 179652 [+145 bytes / +0.08%]
codesize/test_codesize_files_wasmfs.json: 63764 => 63944 [+180 bytes / +0.28%]

Average change: +0.18% (+0.08% - +0.28%)
```

Author: kleisauke

test/codesize/test_codesize_cxx_wasmfs.json

@@ -1,10 +1,10 @@
 {
   "a.out.js": 6725,
   "a.out.js.gz": 3184,
-  "a.out.nodebug.wasm": 172782,
-  "a.out.nodebug.wasm.gz": 63340,
-  "total": 179507,
-  "total_gz": 66524,
+  "a.out.nodebug.wasm": 172927,
+  "a.out.nodebug.wasm.gz": 63363,
+  "total": 179652,
+  "total_gz": 66547,
   "sent": [
     "__cxa_throw",
     "_abort_js",

test/codesize/test_codesize_files_wasmfs.json

@@ -1,10 +1,10 @@
 {
   "a.out.js": 5158,
   "a.out.js.gz": 2458,
-  "a.out.nodebug.wasm": 58606,
-  "a.out.nodebug.wasm.gz": 18406,
-  "total": 63764,
-  "total_gz": 20864,
+  "a.out.nodebug.wasm": 58786,
+  "a.out.nodebug.wasm.gz": 18429,
+  "total": 63944,
+  "total_gz": 20887,
   "sent": [
     "a (emscripten_date_now)",
     "b (emscripten_err)",