Update Python dependencies

Author: mdmintz

requirements.txt

@@ -32,7 +32,7 @@ parameterized==0.7.4
 soupsieve==1.9.6;python_version<"3.5"
 soupsieve==2.0.1;python_version>="3.5"
 beautifulsoup4==4.9.1
-cryptography==2.9.2
+cryptography==3.0
 pyopenssl==19.1.0
 pygments==2.5.2;python_version<"3.5"
 pygments==2.6.1;python_version>="3.5"
@@ -51,4 +51,4 @@ pyflakes==2.2.0;python_version>="3.5"
 certifi>=2020.6.20
 allure-pytest==2.8.16
 pdfminer.six==20191110;python_version<"3.5"
-pdfminer.six==20200517;python_version>="3.5"
+pdfminer.six==20200720;python_version>="3.5"

setup.py

@@ -124,7 +124,7 @@
         'soupsieve==1.9.6;python_version<"3.5"',
         'soupsieve==2.0.1;python_version>="3.5"',
         'beautifulsoup4==4.9.1',
-        'cryptography==2.9.2',
+        'cryptography==3.0',
         'pyopenssl==19.1.0',
         'pygments==2.5.2;python_version<"3.5"',
         'pygments==2.6.1;python_version>="3.5"',
@@ -143,7 +143,7 @@
         'certifi>=2020.6.20',
         'allure-pytest==2.8.16',
         'pdfminer.six==20191110;python_version<"3.5"',
-        'pdfminer.six==20200517;python_version>="3.5"',
+        'pdfminer.six==20200720;python_version>="3.5"',
     ],
     packages=[
         'seleniumbase',