Expand test coverage for other versions of python supported by the lib

Author: tylerhutcherson

.github/workflows/lint.yml

@@ -25,7 +25,9 @@ jobs:
         # so linting on fewer versions makes CI faster.
         python-version:
           - "3.9"
+          - "3.10"
           - "3.11"
+          - "3.12"
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/run_tests.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, '3.10', 3.11]
+        python-version: [3.9, '3.10', 3.11, 3.12]
         connection: ['hiredis', 'plain']
         redis-stack-version: ['6.2.6-v9', 'latest', 'edge']