python 3.10, 3.11 tests added.

Author: dapper91

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}

pyproject.toml

@@ -11,6 +11,11 @@ keywords = ["cron", "crontab", "cron-utils", "cron-tools", "parser"]
 classifiers = [
     "License :: Public Domain",
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
     "Intended Audience :: Developers",
     "Topic :: Software Development :: Libraries",
     "Topic :: Utilities"