Merge pull request #506 from madmaze/upgrade_ci

Upgrade the CI environment

.github/workflows/ci.yaml

@@ -19,15 +19,15 @@ jobs:
       fail-fast: true
       matrix:
         include:
+          - {name: '3.11', python: '3.11', os: ubuntu-20.04, tox: py311}
           - {name: '3.10', python: '3.10', os: ubuntu-20.04, tox: py310}
           - {name: '3.9', python: '3.9', os: ubuntu-20.04, tox: py39}
           - {name: '3.8', python: '3.8', os: ubuntu-20.04, tox: py38}
-          - {name: '3.7', python: '3.7', os: ubuntu-20.04, tox: py37}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
 
@@ -39,7 +39,7 @@ jobs:
         run: echo "::set-output name=dir::$(pip cache dir)"
 
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: pip-${{ runner.os }}-${{ matrix.python }}-${{ hashFiles('setup.py') }}

setup.cfg

@@ -16,10 +16,10 @@ classifiers =
     License :: OSI Approved :: Apache Software License
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    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
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
 
@@ -30,7 +30,7 @@ install_requires =
     packaging>=21.3
     Pillow>=8.0.0
 
-python_requires = >=3.7
+python_requires = >=3.8
 
 [options.entry_points]
 console_scripts =