Update ci/cd scripts

Author: konak

.github/workflows/dotnet-beta.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 3.1
+        dotnet-version: 8
     - name: Restore dependencies
       run: dotnet restore
     - name: Build

.github/workflows/dotnet.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 3.1
+        dotnet-version: 8
     - name: Restore dependencies
       run: dotnet restore
     - name: Build