Fix benchmark GitHub workflow - remove invalid --output-format html flag

Co-authored-by: 0xrinegade <[email protected]>

Author: Copilot

.github/workflows/benchmark.yml

@@ -56,7 +56,7 @@ jobs:
     - name: Run HTTP API benchmarks
       run: |
         echo "🚀 Running HTTP API benchmarks..."
-        cargo bench --bench http_api_bench -- --output-format html
+        cargo bench --bench http_api_bench
         # Copy HTML reports to results directory
         if [ -d "target/criterion" ]; then
           cp -r target/criterion benchmark-results/http-api-criterion-reports
@@ -66,7 +66,7 @@ jobs:
     - name: Run RPC Methods benchmarks
       run: |
         echo "🔧 Running RPC Methods benchmarks..."
-        cargo bench --bench rpc_methods_bench -- --output-format html
+        cargo bench --bench rpc_methods_bench
         # Copy HTML reports to results directory
         if [ -d "target/criterion/rpc_methods_bench" ]; then
           cp -r target/criterion benchmark-results/rpc-methods-criterion-reports || true
@@ -76,7 +76,7 @@ jobs:
     - name: Run WebSocket benchmarks
       run: |
         echo "🌐 Running WebSocket benchmarks..."
-        cargo bench --bench websocket_bench -- --output-format html
+        cargo bench --bench websocket_bench
         # Copy HTML reports to results directory
         if [ -d "target/criterion/websocket_bench" ]; then
           cp -r target/criterion benchmark-results/websocket-criterion-reports || true