wip: Update CI

.github/workflows/ci.yml

@@ -131,25 +131,13 @@ jobs:
           cp LICENSE ./mithril-client-wasm/
           wasm-pack pack mithril-client-wasm/pkg
 
+      - name: Build a fake aggregator
+        shell: bash
+        run: cargo build -p mithril-aggregator-fake
+
       - name: Start a fake aggregator
         shell: bash
-        run: |
-          cargo run -p mithril-aggregator-fake -- -p 8000 &
-          # Wait for the server to be ready with a timeout of 60 seconds
-          timeout=60
-          start_time=$(date +%s)
-
-          while ! nc -z localhost 8000; do
-            current_time=$(date +%s)
-            elapsed_time=$((current_time - start_time))
-
-            if [ "$elapsed_time" -ge "$timeout" ]; then
-              echo "Timeout: Failed to connect to localhost:8000 after $timeout seconds."
-              exit 1
-            fi
-
-            sleep 1
-          done
+        run: cargo run -p mithril-aggregator-fake -- -p 8000 &
 
       - name: Test 'mithril-client-wasm' - Chrome
         shell: bash