add patch to unpin pybind11 for pypy

recipe/meta.yaml

@@ -11,6 +11,9 @@ source:
     sha256: 81241d74ca08df1da5786d6ea2c448cf33d394a5d180c0175bd8f8c3adf20b90
     patches:
       - patches/0001-redirect-tomlplusplus-include-to-global-library-path.patch
+      # unpin pybind11 for pypy
+      - patches/0002-unpin-pybind11-for-pypy.patch  # [python_impl == "pypy"]
+
   # ... however, we do include the toml-test submodule; keep in sync with
   # https://github.com/bobfang1992/pytomlpp/tree/master/tests/<commit>
   - git_url: https://github.com/BurntSushi/toml-test

recipe/patches/0001-redirect-tomlplusplus-include-to-global-library-path.patch

@@ -1,7 +1,7 @@
-From 15abc347783872a7d5510645e822daabaf16ed58 Mon Sep 17 00:00:00 2001
+From af3b646e748f35b634edcb18e67b13d0874c41bc Mon Sep 17 00:00:00 2001
 From: "H. Vetinari" <h.vetinari@gmx.com>
 Date: Thu, 12 Aug 2021 19:39:51 +0200
-Subject: [PATCH] redirect tomlplusplus-include to global library path
+Subject: [PATCH 1/2] redirect tomlplusplus-include to global library path
 
 ---
  include/pytomlpp/pytomlpp.hpp | 2 +-
@@ -21,5 +21,5 @@ index 96e5b5c..40d4144 100644
  // namespace and type forward declarations
  namespace py = pybind11;
 -- 
-2.31.1.windows.1
+2.32.0.windows.2
 

recipe/patches/0002-unpin-pybind11-for-pypy.patch

@@ -0,0 +1,26 @@
+From 96f66015ea262779d90495e4d6edcb5f7a1b91b2 Mon Sep 17 00:00:00 2001
+From: "H. Vetinari" <h.vetinari@gmx.com>
+Date: Fri, 19 Nov 2021 00:57:57 +1100
+Subject: [PATCH 2/2] unpin pybind11 for pypy
+
+---
+ setup.cfg | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/setup.cfg b/setup.cfg
+index 972aa22..2828175 100644
+--- a/setup.cfg
++++ b/setup.cfg
+@@ -26,8 +26,7 @@ classifiers =
+ keywords = toml, parser, serilization, deserialization, serdes
+
+ [options]
+-setup_requires =
+-    pybind11~=2.8
++setup_requires = pybind11
+ zip_safe = false
+ packages = find:
+ package_dir = =src
+-- 
+2.32.0.windows.2
+