Refresh Python dependencies

Author: mdmintz

requirements.txt

@@ -65,7 +65,7 @@ soupsieve==2.2.1;python_version>="3.6"
 beautifulsoup4==4.9.3
 cryptography==2.9.2;python_version<"3.5"
 cryptography==3.2.1;python_version>="3.5" and python_version<"3.6"
-cryptography==3.4.7;python_version>="3.6"
+cryptography==3.4.8;python_version>="3.6"
 pyopenssl==19.1.0;python_version<"3.5"
 pyopenssl==20.0.1;python_version>="3.5"
 pygments==2.5.2;python_version<"3.5"

setup.py

@@ -180,7 +180,7 @@
         "beautifulsoup4==4.9.3",
         'cryptography==2.9.2;python_version<"3.5"',
         'cryptography==3.2.1;python_version>="3.5" and python_version<"3.6"',
-        'cryptography==3.4.7;python_version>="3.6"',
+        'cryptography==3.4.8;python_version>="3.6"',
         'pyopenssl==19.1.0;python_version<"3.5"',
         'pyopenssl==20.0.1;python_version>="3.5"',
         'pygments==2.5.2;python_version<"3.5"',