Update CI setup-emsdk.

Author: rhashimoto

.github/workflows/ci.yml

@@ -60,7 +60,7 @@ jobs:
       with:
         path: ${{env.EM_CACHE_FOLDER}}
         key: ${{env.EM_VERSION}}-${{ runner.os }}
-    - uses: mymindstorm/setup-emsdk@v12
+    - uses: mymindstorm/setup-emsdk@v14
       with:
         version: ${{env.EM_VERSION}}
         actions-cache-folder: ${{env.EM_CACHE_FOLDER}}