Add support for Python 3.12 (#956)

* Add support for Python 3.12
* Add Trove classifier for 3.12
* Add 3.12 to CircleCI

---------

Signed-off-by: Hugo van Kemenade <[email protected]>

Author: hugovk

.circleci/config.yml

@@ -79,6 +79,7 @@ workflows:
                  - "3.9"
                  - "3.10"
                  - "3.11"
+                 - "3.12"
       - test_nooptionals:
           matrix:
             parameters:

setup.py

@@ -42,6 +42,7 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: System :: Monitoring",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = coverage-clean,py3.8,py3.9,py3.10,py3.11,pypy3.8,py3.9-nooptionals,coverage-report,flake8,isort,mypy
+envlist = coverage-clean,py{3.8,3.9,3.10,3.11,3.12,py3.8,3.9-nooptionals},coverage-report,flake8,isort,mypy
 
 [testenv]
 deps =