python3: Fix py3 pip and setuptools versions

The update to Python 3.7.2 missed updating pip and setuptools versions,
so fix that.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

lang/python/python3-version.mk

@@ -12,8 +12,8 @@ PYTHON3_VERSION_MICRO:=2
 
 PYTHON3_VERSION:=$(PYTHON3_VERSION_MAJOR).$(PYTHON3_VERSION_MINOR)
 
-PYTHON3_SETUPTOOLS_PKG_RELEASE:=2
-PYTHON3_PIP_PKG_RELEASE:=2
+PYTHON3_SETUPTOOLS_PKG_RELEASE:=1
+PYTHON3_PIP_PKG_RELEASE:=1
 
-PYTHON3_SETUPTOOLS_VERSION:=39.0.1
-PYTHON3_PIP_VERSION:=10.0.1
+PYTHON3_SETUPTOOLS_VERSION:=40.6.2
+PYTHON3_PIP_VERSION:=18.1