**Release:** python-buildpack 1.7.40 #316

Dependency Changes:

setuptools:
- 56.2.0
+ 57.0.0

New Commits on Develop:

ec8b902 Auto merge pull request 315
d094912 Add setuptools 57.0.0, remove setuptools 56.2.0
d716e00 Re-bootstraps with github-config
fce52a7 Bootstrap with github-config
1cf0eb1 Update libbuildpack

Refer to release instructions.