[cmake] Update Cpp2Py branch to main and bump version req

Wentzell · Wentzell · commit da100eff3bfc · 2024-08-13T17:32:48.000-04:00
diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
@@ -51,8 +51,8 @@ endif()
 if(PythonSupport)
   external_dependency(Cpp2Py
     GIT_REPO https://github.com/TRIQS/cpp2py
-    VERSION 2.0
-    GIT_TAG unstable
+    VERSION 3.3
+    GIT_TAG main
     BUILD_ALWAYS
     EXCLUDE_FROM_ALL
   )
