Update build.yml

Author: zeusongit

.github/workflows/build.yml

@@ -19,6 +19,12 @@ jobs:
         with:
           path: Dynamo
           repository: DynamoDS/Dynamo
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v5
+        with:
+          dotnet-version: |
+            8.0.x
+            10.0.x
       - name: Setup Nuget
         uses: nuget/setup-nuget@a21f25cd3998bf370fde17e3f1b4c12c175172f9 # v2.0.0
       - name: Setup msbuild