ASV: bump numpy and pandas versions to match new requirements (#1987)

* asv: bump minimum numpy and pandas versions

* try numpy 1.17.5?

Author: kandersolar

benchmarks/asv.conf.json

@@ -115,8 +115,8 @@
         {
             "python": "3.7",
             "build": "",
-            "numpy": "1.16.5",
-            "pandas": "0.25.0",
+            "numpy": "1.17.5",
+            "pandas": "1.3.0",
             "scipy": "1.5.0",
             // Note: these don't have a minimum in setup.py
             "h5py": "3.1.0",