ci: make perf benchmarks non-blocking

Author: Karthikprasadm

.github/workflows/ci.yml

@@ -60,6 +60,7 @@ jobs:
   perf:
     name: Perf benchmarks
     runs-on: ubuntu-latest
+    continue-on-error: true
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5