add vcpkg target triplet

Author: dankmolot

.github/workflows/build.yml

@@ -30,10 +30,10 @@ jobs:
             CMAKE_ARCH_FLAG: -A x64
           - os: windows-latest
             arch: x86
-            CMAKE_ARCH_FLAG: -A Win32
+            CMAKE_ARCH_FLAG: -A Win32 -DVCPKG_TARGET_TRIPLET=x86-windows
           - os: ubuntu-20.04
             arch: x86
-            CMAKE_ARCH_FLAG: -DCMAKE_C_FLAGS="-m32" -DCMAKE_CXX_FLAGS="-m32"
+            CMAKE_ARCH_FLAG: -DCMAKE_C_FLAGS="-m32" -DCMAKE_CXX_FLAGS="-m32" -DVCPKG_TARGET_TRIPLET=x86-linux
           - os: macos-13
             arch: x64