VCPKG triplet is configure arg, not build arg

Author: fredemmott

.github/workflows/ci.yml

@@ -40,7 +40,8 @@ jobs:
         run: |
           $args = @(
             "-DGITHUB_REF_TYPE=${{github.ref_type}}",
-            "-DGITHUB_REF_NAME=${{github.ref_name}}"
+            "-DGITHUB_REF_NAME=${{github.ref_name}}",
+            "-DVCPKG_TARGET_TRIPLET=x64-windows-static"
           )
           if ("${{steps.fetch-key.outputs.HAVE_KEY}}" -eq "true") {
             $args += "-DSIGNTOOL_KEY_ARGS=/f;${{steps.fetch-key.outputs.PATH}}"
@@ -54,8 +55,7 @@ jobs:
             --config ${{matrix.config}} `
             --parallel `
             -- `
-            /p:CL_MPCount= `
-          -DVCPKG_TARGET_TRIPLET=x64-windows-static
+            /p:CL_MPCount=
           $version="$(Get-Content version.txt)"
           Add-Content $Env:GITHUB_OUTPUT "VERSION=${version}"
       - name: Install debug symbols