Test on Python 3.10 too

Author: gdubicki

Diff for: .github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9, 3.10-dev]
 
     steps:
       - uses: actions/checkout@v2

Diff for: README.md

@@ -16,7 +16,7 @@ PuppetDB.
 
 * PuppetDB 3.0 or newer
   * (For support of older PuppetDB versions please check versions < 0.2.0)
-* Python 3.6 / 3.7 / 3.8 / 3.9
+* Python 3.6 / 3.7 / 3.8 / 3.9 / 3.10
 
 ## Installation
 

Diff for: setup.py

@@ -68,6 +68,7 @@ def run_tests(self):
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: Software Development :: Libraries'
     ],
 )