Updates requirements to fix Twine issue

For context, see: pypa/twine#977

requirements.txt

@@ -9,5 +9,5 @@ requests-html==0.10.0
 requests==2.32.3
 segments==2.2.1
 setuptools==65.6.3
-twine==4.0.1
+twine==5.1.1
 unicodedataplus==15.0.0