Allow Dashboard application to roll-forward (#6417)

Co-authored-by: Jose Perez Rodriguez <[email protected]>

src/Aspire.Dashboard/Aspire.Dashboard.csproj

@@ -11,6 +11,12 @@
       CS8002: Referenced assembly does not have a strong name
     -->
     <NoWarn>$(NoWarn);CS1591;CS8002</NoWarn>
+
+    <!-- This Application is a framework-dependent application that targets .NET 8.0. This means that the
+    application is not able to run if the place where it is deployed does not have the .NET 8.0 runtime installed.
+    Given we want to be able to support people running on environments where they only have the 9.0 SDK/runtime installed,
+    we allow roll-forward to the next major in order to support these customers.-->
+    <RollForward>Major</RollForward>
   </PropertyGroup>
 
   <PropertyGroup>