Disable patch, update dependencies

Author: skupr-anaconda

recipe/meta.yaml

@@ -9,8 +9,8 @@ source:
   fn: pybind11-{{ version }}.tar.gz
   url: https://github.com/pybind/pybind11/archive/v{{ version }}.tar.gz
   sha256: {{ sha256 }}
-  patches:
-    - gh2146.diff
+  #patches:
+  #  - gh2146.diff
 
 build:
   number: 1
@@ -22,6 +22,7 @@ requirements:
     - {{ compiler('cxx') }}
   host:
     - python
+    - pip
     - setuptools
   run:
     - python