pin in asv.conf too

Author: MarcoGorelli

asv_bench/asv.conf.json

@@ -41,7 +41,7 @@
     // pip (with all the conda available packages installed first,
     // followed by the pip installed packages).
     "matrix": {
-        "numpy": [],
+        "numpy<": ["1.24"],
         "Cython": ["0.29.32"],
         "matplotlib": [],
         "sqlalchemy": [],