Update to RC1 of AvalonEdit 6

Pick correct version of netcore3 on Azure Pipelines
Set version for upcoming RC1

ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj

@@ -42,8 +42,8 @@
   <ItemGroup>
     <PackageReference Include="DiffLib" Version="2017.7.26.1241" />
     <PackageReference Include="Microsoft.Build.Locator" Version="1.2.2" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.3.0-beta1-final" />
-    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic" Version="3.3.0-beta1-final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.3.0-beta2-final" />
+    <PackageReference Include="Microsoft.CodeAnalysis.VisualBasic" Version="3.3.0-beta2-final" />
     <PackageReference Include="Microsoft.DiaSymReader.Converter.Xml" Version="1.1.0-beta1-63314-01" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.13.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />

ILSpy/ILSpy.csproj

@@ -48,7 +48,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AvalonEdit" Version="6.0.0-preview1" />
+    <PackageReference Include="AvalonEdit" Version="6.0.0-rc1" />
     <PackageReference Include="Microsoft.DiaSymReader.Converter.Xml" Version="1.1.0-beta1-63314-01" />
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="15.5.23" />
     <PackageReference Include="Mono.Cecil" Version="0.10.3" />

ILSpy/Properties/AssemblyInfo.template.cs

@@ -39,7 +39,7 @@ internal static class RevisionClass
 	public const string Minor = "0";
 	public const string Build = "0";
 	public const string Revision = "$INSERTREVISION$";
-	public const string VersionName = "preview4";
+	public const string VersionName = "rc1";
 	
 	public const string FullVersion = Major + "." + Minor + "." + Build + ".$INSERTREVISION$$INSERTBRANCHPOSTFIX$$INSERTVERSIONNAMEPOSTFIX$";
 }

azure-pipelines.yml

@@ -40,7 +40,7 @@ jobs:
 
   - task: DotNetCoreInstaller@0
     inputs:
-      version: '3.0.100-preview5-011568'
+      version: '3.0.100-preview9-014004'
 
   - powershell: .\BuildTools\pipelines-install.ps1
     displayName: Install

global.json

@@ -3,6 +3,6 @@
 		"MSBuild.Sdk.Extras": "2.0.24"
 	},
 	"sdk": {
-		"version": "3.0.100-preview"
+		"version": "3.0.100-preview9"
 	}
 }