Update Python dependencies

Author: mdmintz

requirements.txt

@@ -45,7 +45,7 @@ pyopenssl==19.1.0
 pygments==2.5.2;python_version<"3.5"
 pygments==2.6.1;python_version>="3.5"
 traitlets==4.3.3;python_version<"3.7"
-traitlets==5.0.3;python_version>="3.7"
+traitlets==5.0.4;python_version>="3.7"
 prompt-toolkit==1.0.18;python_version<"3.6"
 prompt-toolkit==3.0.7;python_version>="3.6"
 ipython==5.10.0;python_version<"3.5"
@@ -59,7 +59,7 @@ brython==3.8.10
 pyotp==2.4.0
 boto==2.49.0
 cffi==1.14.2
-rich==6.0.0;python_version>="3.6" and python_version<"4.0"
+rich==6.1.1;python_version>="3.6" and python_version<"4.0"
 flake8==3.7.9;python_version<"3.5"
 flake8==3.8.3;python_version>="3.5"
 pyflakes==2.1.1;python_version<"3.5"

setup.py

@@ -137,7 +137,7 @@
         'pygments==2.5.2;python_version<"3.5"',
         'pygments==2.6.1;python_version>="3.5"',
         'traitlets==4.3.3;python_version<"3.7"',
-        'traitlets==5.0.3;python_version>="3.7"',
+        'traitlets==5.0.4;python_version>="3.7"',
         'ipython==5.10.0;python_version<"3.5"',
         'prompt-toolkit==1.0.18;python_version<"3.6"',
         'prompt-toolkit==3.0.7;python_version>="3.6"',
@@ -151,7 +151,7 @@
         'pyotp==2.4.0',
         'boto==2.49.0',
         'cffi==1.14.2',
-        'rich==6.0.0;python_version>="3.6" and python_version<"4.0"',
+        'rich==6.1.1;python_version>="3.6" and python_version<"4.0"',
         'flake8==3.7.9;python_version<"3.5"',
         'flake8==3.8.3;python_version>="3.5"',
         'pyflakes==2.1.1;python_version<"3.5"',