Update sdkbuild2run.yml

Author: xuejianzhangd

.github/workflows/sdkbuild2run.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.3
+        dotnet-version: 8.0.300
     - name: Restore dependencies
       run: dotnet restore
     - name: Build