Update github workflows to use .net 6

Author: KoditkarVedant

.github/workflows/build-artifacts-code.yml

@@ -18,10 +18,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Setup .NET 5.0 SDK
-        uses: actions/setup-dotnet@v1
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
           source-url: https://nuget.pkg.github.com/notion-dotnet/index.json
         env:
           NUGET_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/ci-build.yml

@@ -12,10 +12,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
 
       - name: Restore dependencies
         run: dotnet restore

.github/workflows/publish-code.yml

@@ -12,9 +12,9 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
           source-url: https://api.nuget.org/v3/index.json
         env:
           NUGET_AUTH_TOKEN: ${{secrets.NUGET_API_KEY}}

.github/workflows/test-publish-code.yml

@@ -15,9 +15,9 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v2
         with:
-          dotnet-version: 5.0.x
+          dotnet-version: 6.0.x
           source-url: https://api.nuget.org/v3/index.json
         env:
           NUGET_AUTH_TOKEN: ${{secrets.NUGET_API_KEY}}