Fix PyPy wheel version (7.3.7 does not support Py3.9 yet).

Author: scoder

.github/workflows/wheels.yml

@@ -149,7 +149,7 @@ jobs:
           - "3.11"
           - "pypy-3.7-v7.3.7"
           - "pypy-3.8-v7.3.7"
-          - "pypy-3.9-v7.3.7"
+          - "pypy-3.9-v7.3.11"
 
         exclude:
           # outdated compilers and probably not worth supporting anymore