Update tool to roll forward to latest major version of runtime instal…

…led.

This is needed otherwise it will try to require ".NET 2.0 Runtime" to be installed, which will cause roll forward to fail to load 6.0.0's System.Runtime when used on devices with newer versions of the .NET SDK and runtimes.

Fixes: #27660.

Signed-off-by: AraHaan <seandhunt_7@yahoo.com>

src/ef/ef.csproj

@@ -8,6 +8,7 @@
     <RootNamespace>Microsoft.EntityFrameworkCore.Tools</RootNamespace>
     <CheckEolTargetFramework>False</CheckEolTargetFramework>
     <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)..\..\rulesets\EFCore.noxmldocs.ruleset</CodeAnalysisRuleSet>
+    <RollForward>Major</RollForward>
   </PropertyGroup>
 
   <ItemGroup>