use apt to install the windows gcc

the action we used before did not make the binary available somehow.

Author: folkertdev

.github/workflows/checks.yaml

@@ -410,11 +410,10 @@ jobs:
           rustup toolchain install nightly --component miri
           cargo +nightly miri setup
       - name: Install gcc
-        uses: awalsh128/cache-apt-pkgs-action@v1.4.3
-        with:
-          packages: gcc-mingw-w64-x86-64
-          version: 1.0
         if: ${{ contains(matrix.target, 'windows') }}
+        run: |
+          sudo apt-get install gcc-mingw-w64-x86-64
+          x86_64-w64-mingw32-gcc --help
       - name: Install cargo-nextest
         uses: taiki-e/install-action@56ab7930c591507f833cbaed864d201386d518a8
         with: