ci: fix Windows deps and disable fail-fast

Author: pengzhendong

.github/workflows/unittest.yml

@@ -13,6 +13,7 @@ jobs:
   unit-test:
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: [3.9]
@@ -40,6 +41,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install .[test] ${{ runner.os == 'Windows' && '--no-deps' || '' }}
+          pip install flake8 pytest importlib_resources
       - name: Lint with flake8
         shell: bash -el {0}
         run: |