Update asv.conf.json

Author: AdamRJensen

benchmarks/asv.conf.json

@@ -113,19 +113,19 @@
     "include": [
         // minimum supported versions
         {
-            "python": "3.8",
+            "python": "3.9",
             "build": "",
-            "numpy": "1.17.5",
+            "numpy": "1.19.3",
             "pandas": "1.3.0",
             "scipy": "1.6.0",
             // Note: these don't have a minimum in setup.py
             "h5py": "3.1.0",
-            "ephem": "3.7.7.0",  // first version to support py 3.8
-            "numba": "0.47.0",  // first version to support py 3.8
+            "ephem": "4.0.0.0",  // first version to support py 3.9
+            "numba": "0.53.0",  // first version to support py 3.9
         },
         // latest versions available
         {
-            "python": "3.8",
+            "python": "3.9",
             "build": "",
             "numpy": "",
             "pandas": "",