Updated requirements to please dependabot.

requirements.txt

@@ -1,16 +1,42 @@
 amply==0.1.4
-certifi==2016.2.28
+bleach==3.3.0
+build==0.1.0
+certifi==2020.12.5
+cffi==1.14.4
+chardet==4.0.0
+colorama==0.4.4
+cryptography==3.3.1
 cycler==0.10.0
 docutils==0.16
+idna==2.10
+importlib-metadata==3.4.0
+jeepney==0.6.0
+keyring==22.0.1
 kiwisolver==1.3.1
-matplotlib==3.3.3
-mypy==0.800
+matplotlib==3.3.4
+mypy==0.812
 mypy-extensions==0.4.3
 numpy==1.19.5
-Pillow==8.1.0
+packaging==20.9
+pep517==0.9.1
+Pillow==8.1.2
+pkginfo==1.7.0
 PuLP==2.4
+pycparser==2.20
+Pygments==2.7.4
 pyparsing==2.4.7
 python-dateutil==2.8.1
+readme-renderer==28.0
+requests==2.25.1
+requests-toolbelt==0.9.1
+rfc3986==1.4.0
+SecretStorage==3.3.0
 six==1.15.0
+toml==0.10.2
+tqdm==4.56.0
+twine==3.3.0
 typed-ast==1.4.2
 typing-extensions==3.7.4.3
+urllib3==1.26.3
+webencodings==0.5.1
+zipp==3.4.0