Officially support Python 3.11 (#342)

## Description

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## TODO

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accomplish. -->

## Questions

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## Status

- [x] I have read the guidelines in
[CONTRIBUTING.md](https://github.com/icaros-usc/pyribs/blob/master/CONTRIBUTING.md)
- [x] I have formatted my code using `yapf`
- [x] I have tested my code by running `pytest`
- [x] I have linted my code with `pylint`
- [x] I have added a one-line description of my change to the changelog
in `HISTORY.md`
- [x] This PR is ready to go

.github/workflows/testing.yml

@@ -18,7 +18,7 @@ jobs:
       max-parallel: 12 # All in parallel.
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         exclude:
           # To cut down on runtime since Mac seems to take the longest.
           - os: macos-latest

HISTORY.md

@@ -6,6 +6,7 @@
 
 #### API
 
+- Supports Python 3.11 (#342)
 - Check that emitters passed in are lists/iterables in scheduler (#341)
 - Fix Matplotlib `get_cmap` deprecation (#340)
 - Set `plot_centroids` to False when plotting (#339)

setup.py

@@ -74,6 +74,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Scientific/Engineering",
         "Topic :: Scientific/Engineering :: Mathematics",
         "Topic :: Scientific/Engineering :: Artificial Intelligence",