Update build.yml

Author: Kinnara

.github/workflows/build.yml

@@ -13,10 +13,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Setup .NET Core
+    - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 5.0.100-rc.1.20452.10
+        dotnet-version: 5.0.x
     - name: Install dependencies
       run: dotnet restore
     - name: Build