use dotnet 8.0 for gh workflows

Author: rose-a

.github/workflows/branches.yml

@@ -25,7 +25,7 @@ jobs:
       uses: actions/setup-dotnet@v3
       with:
         dotnet-version: |
-          7.0.x
+          8.0.x
     - name: Restore dotnet tools
       run: dotnet tool restore
     - name: Fetch complete repository including tags

.github/workflows/master.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Setup .NET SDK
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: "7.0.x"
+        dotnet-version: "8.0.x"
         source-url: https://nuget.pkg.github.com/graphql-dotnet/index.json
       env:
         NUGET_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/publish.yml

@@ -27,7 +27,7 @@ jobs:
     - name: Setup .NET SDK
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: "7.0.x"
+        dotnet-version: "8.0.x"
         source-url: https://api.nuget.org/v3/index.json
       env:
         NUGET_AUTH_TOKEN: ${{secrets.NUGET_API_KEY}}

GraphQL.Client.sln

@@ -32,6 +32,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{
 	ProjectSection(SolutionItems) = preProject
 		.github\workflows\branches.yml = .github\workflows\branches.yml
 		.github\workflows\master.yml = .github\workflows\master.yml
+		.github\workflows\publish.yml = .github\workflows\publish.yml
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GraphQL.Primitives", "src\GraphQL.Primitives\GraphQL.Primitives.csproj", "{87FC440E-6A4D-47D8-9EB2-416FC31CC4A6}"