[llvm] [lldb][Windows] add release notes for lldb-server (PR #209415)

[Charles Zablit via llvm-commits]

https://github.com/charles-zablit created https://github.com/llvm/llvm-project/pull/209415

As of https://github.com/llvm/llvm-project/pull/209258, `lldb-server.exe` is now the default plugin if libxml2 is available at build time.

This patch adds a release note for this change.

>From 598d3ccaa227acd741fb283ad2a7fba7da6fc3f5 Mon Sep 17 00:00:00 2001
From: Charles Zablit <c_zablit at apple.com>
Date: Tue, 14 Jul 2026 10:34:33 +0100
Subject: [PATCH] [lldb][Windows] add release notes for lldb-server

---
 llvm/docs/ReleaseNotes.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/docs/ReleaseNotes.md b/llvm/docs/ReleaseNotes.md
index 4548be37e7f4c..13427b3624792 100644
--- a/llvm/docs/ReleaseNotes.md
+++ b/llvm/docs/ReleaseNotes.md
@@ -479,6 +479,8 @@ Makes programs 10x faster by doing Special New Thing.
 * Python 3.11 or later is now recommended for building LLDB 23 on Windows. From LLDB 24, Python 3.11 or later will be required.
 * Messages from `OutputDebugString[A|W]` are now shown inline when using LLDB
   from the command-line and in the output window when using lldb-dap.
+* lldb-server.exe is now the default plugin, replacing and deprecating the
+  "in-process" plugin.
 
 
 ### Changes to BOLT