Add Python 3.11 (#85)

* Add Python 3.11

.github/workflows/CI.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
@@ -60,7 +60,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         target: [x64, x86]
     steps:
       - uses: actions/checkout@v2
@@ -104,7 +104,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         target: [x86_64, i686]
     steps:
     - uses: actions/checkout@v2
@@ -138,12 +138,6 @@ jobs:
       run: |
         pip uninstall numpy -y
         python -m pytest tests/test_no_numpy.py
-    - name: Test benchmarks
-      if: matrix.target == 'x86_64'
-      run: |
-        sudo apt-get install -y libsnappy-dev
-        pip install -r benchmark-requirements.txt
-        make test-bench
     - name: Upload wheels
       uses: actions/upload-artifact@v2
       with:
@@ -159,6 +153,7 @@ jobs:
           - '3.8'
           - '3.9'
           - '3.10'
+          - '3.11'
         target: [aarch64, armv7, s390x, ppc64le]
         include:
           - python: pypy3.7
@@ -191,7 +186,7 @@ jobs:
           apt-get install -y --no-install-recommends python3 python3-venv software-properties-common
           add-apt-repository ppa:deadsnakes/ppa
           apt-get update
-          apt-get install -y curl python3.7-venv python3.9-venv python3.10-venv
+          apt-get install -y curl python3.7-venv python3.9-venv python3.10-venv python3.11-venv
         run: |
           ls -lrth /artifacts
           PYTHON=python${{ matrix.python }}