Update emsdk version from ca2b1316 to c09b2d2f (#27368)

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

emsdk version updated: ca2b1316 => c09b2d2f

The following revisions were included in this update:

```
- c09b2d2f Roll llvm-project from 398f2117379f to 3c6b4870425e (15 revisions)
- b4865982 Roll llvm-project from 85cc99660cf0 to 398f2117379f (43 revisions)
- e77575fd Roll emscripten from f062699d8063 to 0b10e353c5c2 (2 revisions)
- 3fc8949f Roll llvm-project from 19595357e32b to 85cc99660cf0 (59 revisions)
- 7789abeb Roll emscripten from 3f023523f14b to f062699d8063 (1 revision)
- 17d03af5 Roll emscripten from 7aa3cc4673ff to 3f023523f14b (1 revision)
- 0aac93e1 Roll v8 from 41abdf1244e1 to 80bcd758a7c3 (39 revisions)
- b238b966 Roll llvm-project from d94df008e715 to 19595357e32b (30 revisions)
- 5dda5656 Roll llvm-project from 6705f3d3d2e6 to d94df008e715 (28 revisions)
```

Full log:
https://chromium.googlesource.com/emscripten-releases/+log/ca2b1316..c09b2d2f

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

test/emsdk_version.txt

diff --git a/test/emsdk_version.txt b/test/emsdk_version.txt
index eef395e..58814b5 100644
--- a/test/emsdk_version.txt
+++ b/test/emsdk_version.txt
@@ -1 +1 @@
-ca2b1316930bf31e69f7f4cb4405c45f5f8393c7
+c09b2d2f4789adac654d5b434e09ce9a80c11a02