Update vcpkg setup in cibuildwheel workflow

Refactor Windows environment setup for vcpkg and update LAPACK library configuration.

Author: alexlib

.github/workflows/cibuildwheel.yml

@@ -40,19 +40,16 @@ jobs:
       - name: Build wheels
         env:
           CIBW_ENVIRONMENT_MACOS: EASYSBA_USE_ACCELERATE=1 EASYSBA_LAPACK_LIBS=
+          # Use the pre-installed vcpkg location for speed and reliability
           CIBW_BEFORE_ALL_WINDOWS: >-
-            if not exist C:\vcpkg\vcpkg.exe (
-              git clone https://github.com/microsoft/vcpkg.git C:\vcpkg &&
-              C:\vcpkg\bootstrap-vcpkg.bat -disableMetrics
-            ) &&
-            C:\vcpkg\vcpkg.exe install openblas:x64-windows
-          CIBW_ENVIRONMENT_WINDOWS: |
-            EASYSBA_LAPACK_LIBS=openblas
-            EASYSBA_INCLUDE_DIRS=C:\\vcpkg\\installed\\x64-windows\\include
-            EASYSBA_LIBRARY_DIRS=C:\\vcpkg\\installed\\x64-windows\\lib
-            INCLUDE=C:\\vcpkg\\installed\\x64-windows\\include
-            LIB=C:\\vcpkg\\installed\\x64-windows\\lib
-            PATH=C:\\vcpkg\\installed\\x64-windows\\bin;{PATH}
+            vcpkg install openblas:x64-windows
+            
+          CIBW_ENVIRONMENT_WINDOWS: >-
+            EASYSBA_LAPACK_LIBS="libopenblas"
+            EASYSBA_INCLUDE_DIRS="C:/vcpkg/installed/x64-windows/include"
+            EASYSBA_LIBRARY_DIRS="C:/vcpkg/installed/x64-windows/lib"
+            INCLUDE="C:/vcpkg/installed/x64-windows/include;$INCLUDE"
+            LIB="C:/vcpkg/installed/x64-windows/lib;$LIB"
         run: python -m cibuildwheel --output-dir wheelhouse
 
       - name: Upload wheels