Replace platform.linux_distribution with distro.linux_distribution (#7337)

Smallest possible fix for #7106 

* Replace platform.linux_dependencies with distro.linux_dependencies

* run build.py

* Add minimum version of 1.0.1

* Pin back requests package

* Update changelog

setup.py

@@ -41,6 +41,7 @@ install_requires = [
     'ConfigArgParse>=0.9.3',
     'configobj',
     'cryptography>=1.2.3',  # load_pem_x509_certificate
+    'distro>=1.0.1',
     # 1.1.0+ is required to avoid the warnings described at
     # https://github.com/certbot/josepy/issues/13.
     'josepy>=1.1.0',