Update msbuild.yml

Author: masx200

.github/workflows/msbuild.yml

@@ -29,6 +29,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+    - run:  powershell -command New-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1 -PropertyType DWORD -Force
     - uses: actions/cache@v3
       with:
          key: ${{ runner.os }}-deno-${{ hashFiles('**/deps.ts') }}-${{ hashFiles('**/import_map.json') }}