Pip 25.1 and later no longer supports Python 3.8

Author: pfmoore

scripts/generate.py

@@ -66,6 +66,11 @@
         "setuptools": "",
         "wheel": "",
     },
+    "3.8": {
+        "pip": "<25.1",
+        "setuptools": "",
+        "wheel": "",
+    },
 }
 
 # This is the oldest version of pip we will distribute as a zipapp.