Disable SIMD when building numcodecs

Author: agriyakhetarpal

.github/workflows/emscripten.yml

@@ -23,7 +23,7 @@ concurrency:
   cancel-in-progress: true
 
 permissions:
-  contents: read  # to fetch code (actions/checkout)
+  contents: read
 
 jobs:
   build_wasm_emscripten:
@@ -76,6 +76,9 @@ jobs:
           submodules: recursive
           persist-credentials: false
           fetch-depth: 0
+        env:
+          DISABLE_NUMCODECS_AVX2: 1
+          DISABLE_NUMCODECS_SSE2: 1
 
       - name: Build numcodecs for WASM
         run: pyodide build