Update Python dependencies

Author: mdmintz

requirements.txt

@@ -54,7 +54,7 @@ cryptography==3.3.2;python_version>="3.6"
 pyopenssl==19.1.0;python_version<"3.6"
 pyopenssl==20.0.1;python_version>="3.6"
 pygments==2.5.2;python_version<"3.5"
-pygments==2.7.4;python_version>="3.5"
+pygments==2.8.0;python_version>="3.5"
 traitlets==4.3.3;python_version<"3.7"
 traitlets==5.0.5;python_version>="3.7"
 prompt-toolkit==1.0.18;python_version<"3.6"
@@ -78,7 +78,7 @@ toml==0.10.2
 Pillow==6.2.2;python_version<"3.5"
 Pillow==7.2.0;python_version>="3.5" and python_version<"3.6"
 Pillow==8.1.0;python_version>="3.6"
-rich==9.10.0;python_version>="3.6" and python_version<"4.0"
+rich==9.11.0;python_version>="3.6" and python_version<"4.0"
 flake8==3.7.9;python_version<"3.5"
 flake8==3.8.4;python_version>="3.5"
 pyflakes==2.1.1;python_version<"3.5"

setup.py

@@ -158,7 +158,7 @@
         'pyopenssl==19.1.0;python_version<"3.6"',
         'pyopenssl==20.0.1;python_version>="3.6"',
         'pygments==2.5.2;python_version<"3.5"',
-        'pygments==2.7.4;python_version>="3.5"',
+        'pygments==2.8.0;python_version>="3.5"',
         'traitlets==4.3.3;python_version<"3.7"',
         'traitlets==5.0.5;python_version>="3.7"',
         'prompt-toolkit==1.0.18;python_version<"3.6"',
@@ -182,7 +182,7 @@
         'Pillow==6.2.2;python_version<"3.5"',
         'Pillow==7.2.0;python_version>="3.5" and python_version<"3.6"',
         'Pillow==8.1.0;python_version>="3.6"',
-        'rich==9.10.0;python_version>="3.6" and python_version<"4.0"',
+        'rich==9.11.0;python_version>="3.6" and python_version<"4.0"',
         'flake8==3.7.9;python_version<"3.5"',
         'flake8==3.8.4;python_version>="3.5"',
         'pyflakes==2.1.1;python_version<"3.5"',