Update emscripten.yml

Author: mcbarton

.github/workflows/emscripten.yml

@@ -109,7 +109,7 @@ jobs:
         path: |
           llvm-project
           ${{ matrix.cling=='On' && 'cling' || '' }}
-        key: ${{ env.CLING_HASH }}-${{ runner.os }}-${{ matrix.os }}-${{ matrix.compiler }}-clang-${{ matrix.clang-runtime }}.x-emscripten
+        key: ${{ env.CLING_HASH }}-${{ runner.os }}-${{ matrix.os }}-clang-${{ matrix.clang-runtime }}.x-emscripten
         lookup-only: true
 
     - name: Setup emsdk