Update pybind11 to v2.13.6 (#5251)

packages/p/pybind11/xmake.lua

@@ -7,6 +7,7 @@ package("pybind11")
 
     add_urls("https://github.com/pybind/pybind11/archive/refs/tags/$(version).zip",
              "https://github.com/pybind/pybind11.git")
+    add_versions("v2.13.6", "d0a116e91f64a4a2d8fb7590c34242df92258a61ec644b79127951e821b47be6")
     add_versions("v2.13.5", "0b4f2d6a0187171c6d41e20cbac2b0413a66e10e014932c14fae36e64f23c565")
     add_versions("v2.5.0", "1859f121837f6c41b0c6223d617b85a63f2f72132bae3135a2aa290582d61520")
     add_versions("v2.6.2", "0bdb5fd9616fcfa20918d043501883bf912502843d5afc5bc7329a8bceb157b3")