Update msbuild_arm64.yaml

Author: irodushka

.github/workflows/msbuild_arm64.yaml

@@ -7,6 +7,8 @@ name: MSBuild_ARM64
 
 on:
   push:
+    branches: [ "master", "new-build-system", "new-build-system-no-pr" ]
+  pull_request:
     branches: [ "master" ]
 
 env:
@@ -44,7 +46,11 @@ jobs:
     - name: Restore NuGet packages
       working-directory: ${{env.GITHUB_WORKSPACE}}
       run: nuget restore ${{env.SOLUTION_FILE_PATH}}
-
+      
+    - name: Fetch Firebird headers (required by .vcxproj include paths)
+      working-directory: ${{env.GITHUB_WORKSPACE}}
+      run: cmake -B build -DBUILD_TESTING=OFF
+      
     - name: Build
       working-directory: ${{env.GITHUB_WORKSPACE}}
       # Add additional options to the MSBuild command line here (like platform or verbosity level).