Bump actions/cache from 3 to 4 (#1385)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/mingw.yml

@@ -54,7 +54,7 @@ jobs:
         cmake -E make_directory ${{env.INSTALL_DIR}}
     
     - name: Cache installed
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       id: cache-installed
       with:
         path: |