Updated build to dotnet 6

Author: koenbeuk

.github/workflows/build.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
       - name: Install dependencies
         run: dotnet restore EntityFrameworkCore.Triggered.sln -p:Configuration=ReleaseV1
       - name: Build
@@ -60,7 +60,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
       - name: Install dependencies
         run: dotnet restore EntityFrameworkCore.Triggered.sln -p:Configuration=Release
       - name: Build
@@ -89,7 +89,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
       - name: Install dependencies
         run: dotnet restore EntityFrameworkCore.Triggered.Samples.slnf
       - name: Build