adding caching, and removing 3.11 alpha (#2160)

Given that the CI runs of 3.11 cannot be exluded from the PR request list, it is effectively useless. Once this issue https://github.com/actions/toolkit/issues/399 is resolved, we can re-enable.

Author: chayim

.github/workflows/integration.yaml

@@ -25,27 +25,21 @@ jobs:
  uses: actions/setup-python@v3
  with:
  python-version: 3.9
+ cache: 'pip'
  - name: run code linters
  run: |
  pip install -r dev_requirements.txt
  invoke linters
 
  run-tests:
  runs-on: ubuntu-latest
- continue-on-error: ${{ matrix.experimental }}
  timeout-minutes: 30
  strategy:
  max-parallel: 15
  matrix:
  python-version: ['3.6', '3.7', '3.8', '3.9', '3.10', 'pypy-3.7']
  test-type: ['standalone', 'cluster']
  connection-type: ['hiredis', 'plain']
- experimental: [false]
- include:
- - python-version: 3.11.0-alpha.6
- experimental: true
- test-type: standalone
- connection-type: plain
  env:
  ACTIONS_ALLOW_UNSECURE_COMMANDS: true
  name: Python ${{ matrix.python-version }} ${{matrix.test-type}}-${{matrix.connection-type}} tests
@@ -55,6 +49,7 @@ jobs:
  uses: actions/setup-python@v3
  with:
  python-version: ${{ matrix.python-version }}
+ cache: 'pip'
  - name: run tests
  run: |
  pip install -U setuptools wheel
@@ -83,22 +78,18 @@ jobs:
  bash .github/workflows/install_and_test.sh ${{ matrix.extension }}
 
  install_package_from_commit:
- continue-on-error: ${{ matrix.experimental }}
  name: Install package from commit hash
  runs-on: ubuntu-latest
  strategy:
  matrix:
  python-version: ['3.6', '3.7', '3.8', '3.9', '3.10', 'pypy-3.7']
- experimental: [false]
- include:
- - python-version: 3.11.0-alpha.5
- - experimental: true
  steps:
  - uses: actions/checkout@v2
  - name: install python ${{ matrix.python-version }}
  uses: actions/setup-python@v3
  with:
  python-version: ${{ matrix.python-version }}
+ cache: 'pip'
  - name: install from pip
  run: |
  pip install --quiet git+${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git@${GITHUB_SHA}