feat(benchmarks): use compare recipe instead of run on prs

Author: gfyrag

.github/workflows/benchmark.yml

@@ -27,9 +27,24 @@ jobs:
           --justfile ./test/performance/justfile 
           --working-directory ./test/performance 
           graphs
-      - run: kill -9 $(ps aux | grep "ledger serve"| grep -v "grep" | awk '{print $2}')
-        if: always()
       - uses: actions/upload-artifact@v4
         with:
           name: graphs
-          path: test/performance/report
+          path: test/performance/report
+  BenchmarkCompare:
+    runs-on: "github-001"
+    if: contains(github.event.pull_request.labels.*.name, 'benchmarks')
+    steps:
+      - uses: 'actions/checkout@v4'
+        with:
+          fetch-depth: 0
+      - uses: extractions/setup-just@v2
+      - run: >
+          just
+          --justfile ./test/performance/justfile
+          --working-directory ./test/performance 
+          compare . 5 10s 5
+      - uses: actions/upload-artifact@v4
+        with:
+          name: comparison
+          path: test/performance/report/benchmark-comparison.txt