fix CI cache key issue

.github/workflows/arbitrator-ci.yml

@@ -146,13 +146,9 @@ jobs:
         if: steps.cache-cbrotli.outputs.cache-hit != 'true'
         uses: mymindstorm/setup-emsdk@v12
         with:
-          # Make sure to set a version number!
           version: 3.1.6
-          # This is the name of the cache folder.
-          # The cache folder will be placed in the build directory,
-          #  so make sure it doesn't conflict with anything!
-          actions-cache-folder: "emsdk-cache"
-          no-cache: true
+          actions-cache-folder: "emsdk-cache-${{ github.run_id }}"
+          no-cache: false
 
       - name: Build cbrotli-wasm
         if: steps.cache-cbrotli.outputs.cache-hit != 'true'