[actions] Cache compiled artifacts between runs

Author: Breakthrough

.github/workflows/build_wheels_windows.yml

@@ -104,6 +104,13 @@ jobs:
         Copy-Item -Path "$CUDNN_PATH/bin/*" -Destination .  -Include "*.dll"
       shell: pwsh
 
+    - name: Cache build artifacts
+      uses: actions/cache@v3
+      with:
+        path: _skbuild
+        key: ${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/CMakeLists.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ matrix.python-version }}-
     - name: Build a package
       # CMake 3.25 regression fix. See https://stackoverflow.com/questions/74162633/problem-compiling-from-source-opencv-with-mvsc2019-in-64-bit-version
       run: |
@@ -112,9 +119,12 @@ jobs:
         python -m pip install --upgrade setuptools
         python -m pip install cmake==3.24.2
         python -m pip install toml && python -c "import toml; c = toml.load('pyproject.toml'); print('\n'.join(c['build-system']['requires']))" >> requirements.txt | python -m pip install -r requirements.txt
-        dir
-        set "CI_BUILD=1" && python setup.py bdist_wheel --py-limited-api=cp37 --dist-dir=%cd%\wheelhouse -v
-      shell: cmd
+        $CI_BUILD = 1
+        if (Test-Path _skbuild) {
+          $SKIP_CMAKE = "--skip-cmake"
+        }
+        python setup.py bdist_wheel --py-limited-api=cp37 --dist-dir="$PWD\wheelhouse" $SKIP_CMAKE -v
+      shell: pwsh
     - name: Saving all wheels
       uses: actions/upload-artifact@v4
       with: