Update build.yml

Remove 64-core windows github action runner as it is a charged product we need to do expense

.github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ac955bf..c50c6af 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -191,7 +191,7 @@
 
   build-dotnet-windows:
     name: Build .NET Windows
-    runs-on: windows-2022-64core
+    runs-on: windows-2022
     strategy:
       matrix:
         configuration: [
@@ -446,7 +446,7 @@
 
   build-rust-windows:
     name: Build Rust Windows
-    runs-on: windows-2022-64core
+    runs-on: windows-2022
     steps:
     - uses: actions/checkout@v6
     - name: test