Bump mymindstorm/setup-emsdk from 14 to 15

Bumps [mymindstorm/setup-emsdk](https://github.com/mymindstorm/setup-emsdk) from 14 to 15.
- [Release notes](https://github.com/mymindstorm/setup-emsdk/releases)
- [Commits](https://github.com/mymindstorm/setup-emsdk/compare/6ab9eb1bda2574c4ddb79809fc9247783eaf9021...667eb33f24e84e7f362c16d8d7fff0629a73e15e)

---
updated-dependencies:
- dependency-name: mymindstorm/setup-emsdk
  dependency-version: '15'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build_test_wasm.yml

diff --git a/.github/workflows/build_test_wasm.yml b/.github/workflows/build_test_wasm.yml
index da24387..be3a622 100644
--- a/.github/workflows/build_test_wasm.yml
+++ b/.github/workflows/build_test_wasm.yml
@@ -53,7 +53,7 @@
       run: which node >> $HOME/.base_node_path
 
     - name: Install emsdk
-      uses: mymindstorm/setup-emsdk@6ab9eb1bda2574c4ddb79809fc9247783eaf9021 # v14
+      uses: mymindstorm/setup-emsdk@667eb33f24e84e7f362c16d8d7fff0629a73e15e # v15
       with:
         version: ${{env.EM_VERSION}}
         no-cache: true