Review suggestions - make import private and update change note

Author: joefarebrother

csharp/ql/lib/semmle/code/csharp/frameworks/Razor.qll

@@ -1,6 +1,6 @@
 /** Provides definitions and flow steps related to Razor pages. */
 
-import csharp
+private import csharp
 private import codeql.util.Unit
 private import codeql.util.FilePath
 private import semmle.code.csharp.frameworks.microsoft.AspNetCore

csharp/ql/src/change-notes/2023-10-24-xss-flow-steps.md

@@ -1,4 +1,4 @@
 ---
 category: minorAnalysis
 ---
-Additional flow steps  to track flow from a `View` call in an MVC controller to the corresponding Razor page, which may result in additional results for queries such as `cs/web/xss`.
+* Modelled additional flow steps to track flow from a `View` call in an MVC controller to the corresponding Razor page, which may result in additional results for queries such as `cs/web/xss`.