Bump mymindstorm/setup-emsdk from 11 to 12 (#392)

Bumps [mymindstorm/setup-emsdk](https://github.com/mymindstorm/setup-emsdk) from 11 to 12.
- [Release notes](https://github.com/mymindstorm/setup-emsdk/releases)
- [Commits](https://github.com/mymindstorm/setup-emsdk/compare/v11...v12)

---
updated-dependencies:
- dependency-name: mymindstorm/setup-emsdk
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/wasm-build.yml

@@ -57,7 +57,7 @@ jobs:
 
     # Setup emsdk
     - name: Setup emscripten
-      uses: mymindstorm/setup-emsdk@v11
+      uses: mymindstorm/setup-emsdk@v12
       with:
         version: 3.1.31
         actions-cache-folder: emsdk-cache-${{ matrix.mode }}-${{ matrix.kind }}