Update workflow

Author: drhelius

.github/workflows/gearsystem.yml

@@ -220,7 +220,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Setup msbuild
-      uses: microsoft/setup-msbuild@v2
+      uses: microsoft/setup-msbuild@v3
     - name: Download SDL3 development libraries
       shell: bash
       env: