CLI workflow: fix MSYS2 job

.github/workflows/cli_setup.yml

@@ -24,15 +24,15 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Install python dependencies
+    - name: Install Python dependencies
       run: |
-        python -m pip install wheel
+        python3 -m pip install wheel
         echo "::add-path::$HOME/.local/bin"
 
     - name: Install QMK CLI from source
       run: |
         python3 -m pip install -r requirements.txt
-        python setup.py sdist bdist_wheel
+        python3 setup.py sdist bdist_wheel
         cd ..
         python3 -m pip install --force-reinstall --no-index --no-deps --prefix=~/.local --find-links qmk_cli/dist qmk
 
@@ -41,28 +41,32 @@ jobs:
 
   test_cli_win:
     runs-on: windows-latest
-    strategy:
-      matrix:
-        python-version: [3.6, 3.8]
+    env:
+      QMK_HOME: $HOME/qmk_firmware
 
     steps:
     - uses: actions/checkout@v1
 
-    - name: Set up MSYS2
-      uses: qmk/setup-msys2@v1
+    - name: (MSYS2) Setup and install dependencies
+      uses: msys2/setup-msys2@v2
       with:
         update: true
-
-    - name: (MSYS2) Install git and python3
-      run: msys2do pacman -S git python3-pip --noconfirm
+        install: git mingw-w64-x86_64-toolchain mingw-w64-x86_64-python-pip
 
     - name: (MSYS2) Upgrade pip and setuptools and install wheel
+      shell: msys2 {0}
       run: |
-        msys2do python3 -m pip install --upgrade pip setuptools
-        msys2do python3 -m pip install wheel
+        python3 -m pip install --upgrade pip setuptools
+        python3 -m pip install wheel
 
     - name: (MSYS2) Install QMK CLI from source
-      run: msys2do ./setup_msys.sh $(cygpath "${{ github.workspace }}")
+      shell: msys2 {0}
+      run: |
+        python3 -m pip install -r requirements.txt
+        python3 setup.py sdist bdist_wheel
+        cd ..
+        python3 -m pip install --force-reinstall --no-index --no-deps --find-links qmk_cli/dist qmk
 
     - name: (MSYS2) Run qmk setup -y
-      run: msys2do qmk setup -y
+      shell: msys2 {0}
+      run: qmk setup -y