Add experimental 3.11 tests (#292)

* Add experimental 3.11 tests

* Update ci.txt

Author: Dreamsorcerer

.github/workflows/ci.yml

@@ -74,13 +74,20 @@ jobs:
         pyver: ['3.7', '3.8', '3.9', '3.10']
         no-extensions: ['', 'Y']
         os: [ubuntu, macos, windows]
+        experimental: [false]
         exclude:
           - os: macos
             no-extensions: 'Y'
           - os: windows
             no-extensions: 'Y'
+        include:
+          - os: ubuntu
+            pyver: "3.11.0-alpha - 3.11.0"
+            experimental: true
+            no-extensions: 'Y'
       fail-fast: false
     runs-on: ${{ matrix.os }}-latest
+    continue-on-error: ${{ matrix.experimental }}
     timeout-minutes: 15
     steps:
     - name: Checkout

requirements/ci.txt

@@ -1,10 +1,10 @@
-build==0.7.0
-coverage==6.2
-cython==0.29.26
+build==0.8.0
+coverage==6.4.2
+cython==0.29.32
 mypy==0.931; implementation_name=="cpython"
-pre-commit==2.16.0
-pytest==6.2.5
+pre-commit==2.20.0
+pytest==7.1.2
 pytest-cov==3.0.0
-towncrier==21.3.0
-tox==3.24.5
-twine==3.7.1
+towncrier==21.9.0
+tox==3.25.1
+twine==4.0.1