Switch to use cargo

.github/workflows/worker_msys2.yaml

@@ -1,4 +1,4 @@
-name: CI worker msys2
+name: CI worker cargo
 
 on: [push, pull_request, workflow_dispatch]
 
@@ -7,27 +7,15 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        include:
-          - { sys: mingw64, env: x86_64,       comp: gcc }
-          - { sys: ucrt64,  env: ucrt-x86_64,  comp: gcc }
-          - { sys: clang64, env: clang-x86_64, comp: clang }
+        toolchain: [stable, beta, nightly]
     defaults:
       run:
-        shell: msys2 {0}
+        shell: bash
         working-directory: worker
 
     steps:
-      - name: Setup msys and install required packages
-        uses: msys2/setup-msys2@v2
-        with:
-          update: true
-          msystem: ${{ matrix.sys }}
-          install: >-
-            make
-            mingw-w64-${{ matrix.env }}-python3
-            mingw-w64-${{ matrix.env }}-${{ matrix.comp }}
-
-      - uses: actions/checkout@v4
+      - name: Checkout code
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0