Add support for Python 3.11

Author: Harmon758

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
       - uses: actions/checkout@v2

README.md

@@ -36,7 +36,7 @@ Alternatively, install directly from the GitHub repository:
 
     pip install git+https://github.com/tweepy/tweepy.git
 
-Python 3.7 - 3.10 are supported.
+Python 3.7 - 3.11 are supported.
 
 Links
 -----

setup.cfg

@@ -7,7 +7,7 @@ omit =
     */site-packages/*
 
 [tox:tox]
-envlist = py37, py38, py39, py310
+envlist = py37, py38, py39, py310, py311
 
 [testenv]
 commands = python -m unittest discover tests

setup.py

@@ -65,6 +65,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3 :: Only",
     ],
     zip_safe=True,