Update pip to 9.0.2 and setuptools to 38.6.1 (GH-6133) (GH-6135)

(cherry picked from commit 7f81bb2a)
Co-authored-by: Donald Stufft <donald@stufft.io>

Lib/ensurepip/__init__.py

@@ -12,9 +12,9 @@ import tempfile
 __all__ = ["version", "bootstrap"]
 
 
-_SETUPTOOLS_VERSION = "28.8.0"
+_SETUPTOOLS_VERSION = "38.6.1"
 
-_PIP_VERSION = "9.0.1"
+_PIP_VERSION = "9.0.2"
 
 _PROJECTS = [
     ("setuptools", _SETUPTOOLS_VERSION),