Update to .NET 6.0 RC 2.

Signed-off-by: Bradley Grainger <bgrainger@gmail.com>

Author: bgrainger

.github/workflows/codeql-analysis.yml

@@ -29,7 +29,7 @@ jobs:
     - name: Set up .NET 6.0
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.100-rc.1.21463.6
+        dotnet-version: 6.0.100-rc.2.21505.57
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v1

.github/workflows/publish-package.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Set up .NET 6.0
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.100-rc.1.21463.6
+        dotnet-version: 6.0.100-rc.2.21505.57
 
     - name: Restore
       run: dotnet restore

appveyor.yml

@@ -11,7 +11,7 @@ install:
   - ps: Invoke-WebRequest -Uri "https://dot.net/v1/dotnet-install.ps1" -OutFile "install-dotnet.ps1"
   - ps: .\install-dotnet.ps1 -Version 3.1.410 -InstallDir "dotnetcli"
   - ps: .\install-dotnet.ps1 -Version 5.0.301 -InstallDir "dotnetcli"
-  - ps: .\install-dotnet.ps1 -Version 6.0.100-rc.1.21463.6 -InstallDir "dotnetcli"
+  - ps: .\install-dotnet.ps1 -Version 6.0.100-rc.2.21505.57 -InstallDir "dotnetcli"
 build_script:
 - dotnet --info
 before_test:

azure-pipelines.yml

@@ -1,5 +1,5 @@
 variables:
-  DotNetCoreSdkVersion: '6.0.100-rc.1.21463.6'
+  DotNetCoreSdkVersion: '6.0.100-rc.2.21505.57'
   NUGET_PACKAGES: '$(Pipeline.Workspace)/.nuget/packages'
 
 jobs: