fix[BrainScaleS]: support build of genpybind w/ Python@3.10:

packages/genpybind/package.py

@@ -50,6 +50,9 @@ class Genpybind(WafPackage):
 
     extends('python')
 
+    patch('v0.2.1-python3.10.patch', when='@:0.2.1 ^python@3.10:')
+
+
     def configure_args(self):
         args = super(Genpybind, self).configure_args()