Update emsdk version from 48fc5e4 to dbd2a169 (#27695)

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

emsdk version updated: 48fc5e4 => dbd2a169

The following revisions were included in this update:

```
- dbd2a169 Roll v8 from 5404e0f85a83 to e1ac1f641ab1 (21 revisions)
- 13515865 Roll emscripten from 14a8c99 to df49c00 (1 revision)
- 5869a210 Roll llvm-project from 97d5de84b693 to a2e2038fc932 (23 revisions)
- d3db73d3 Roll binaryen from ac7914969df9 to 994a5cb99168 (5 revisions)
- 66a2c32f Roll emscripten from 4dd72ec to 14a8c99 (1 revision)
- 9434475d Roll llvm-project from 64ee3d3172c3 to 97d5de84b693 (65 revisions)
- 2b301780 Roll binaryen from 72e6b562e3f1 to ac7914969df9 (2 revisions)
- 20b311cf Roll emscripten from fedeef0 to 4dd72ec (1 revision)
- 08d0f226 Roll binaryen from a7f790969ee8 to 72e6b562e3f1 (1 revision)
- 267f9a8b Roll llvm-project from ef208564acbf to 64ee3d3172c3 (50 revisions)
- bbdcd76f Roll emscripten from 969d5a4 to fedeef0 (1 revision)
- c295d5cc Roll llvm-project from b61bc3423967 to ef208564acbf (55 revisions)
- 6ae7a628 Roll llvm-project from 42b846980eea to b61bc3423967 (289 revisions)
```

Full log:
https://chromium.googlesource.com/emscripten-releases/+log/48fc5e44..dbd2a169

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

```
codesize/test_codesize_cxx_lto.json: 119568 => 119632 [+64 bytes / +0.05%]

Average change: +0.05% (+0.05% - +0.05%)
```

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": 18568,
   "a.out.js.gz": 7818,
-  "a.out.nodebug.wasm": 101000,
-  "a.out.nodebug.wasm.gz": 38240,
-  "total": 119568,
-  "total_gz": 46058,
+  "a.out.nodebug.wasm": 101064,
+  "a.out.nodebug.wasm.gz": 38289,
+  "total": 119632,
+  "total_gz": 46107,
   "sent": [
     "a (emscripten_resize_heap)",
     "b (_setitimer_js)",

test/emsdk_version.txt

@@ -1 +1 @@
-48fc5e44606fd0e6eedc7ab61e0365527162bfea
+dbd2a169866528e3c850a0c9f0b2b912d6d5ef97