Add support for python 3.10

.github/workflows/deploy.yaml

@@ -7,7 +7,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags') && github.repository == 'sprockets/sprockets.http'
-    container: python:3.9-alpine
+    container: python:3.10-alpine
     steps:
       - name: Checkout repository
         uses: actions/checkout@v1

.github/workflows/testing.yaml

@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 3
     strategy:
       matrix:
-        python: [3.7, 3.8, 3.9]
+        python: ["3.7", "3.8", "3.9", "3.10"]
     container:
       image: python:${{ matrix.python }}-alpine
     steps:

docs/contributing.rst

@@ -12,7 +12,7 @@ Setup
 
 code::
 
-    python3.9 -m venv env
+    python3.10 -m venv env
     pip install -r requires/development.txt
 
 

setup.py

@@ -50,6 +50,7 @@ setuptools.setup(
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: Implementation :: CPython',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Software Development :: Libraries',