chore(deps): bump mymindstorm/setup-emsdk from 9 to 12 (#4743)

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.github/workflows/compile_docs.yml

@@ -48,7 +48,7 @@ jobs:
         with:
           path: ${{env.EM_CACHE_FOLDER}}
           key: ${{env.EM_VERSION}}-${{ runner.os }}
-      - uses: mymindstorm/setup-emsdk@v9
+      - uses: mymindstorm/setup-emsdk@v12
         with:
           version: ${{env.EM_VERSION}}
           actions-cache-folder: ${{env.EM_CACHE_FOLDER}}