[newlib-cygwin] Cygwin: Document recent fixes in release note

[Takashi Yano]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d634a17cea0fc20ee34a167478dade470c4d384f

commit d634a17cea0fc20ee34a167478dade470c4d384f
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date:   Fri May 2 21:33:48 2025 +0900

    Cygwin:  Document recent fixes in release note

Diff:
---
 winsup/cygwin/release/3.6.2 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/winsup/cygwin/release/3.6.2 b/winsup/cygwin/release/3.6.2
index de6eae13f..e0c1d705f 100644
--- a/winsup/cygwin/release/3.6.2
+++ b/winsup/cygwin/release/3.6.2
@@ -16,3 +16,9 @@ Fixes:
 
 - Fix cygwin_conv_path writing to 'to' pointer before size is checked.
   Addresses: https://cygwin.com/pipermail/cygwin/2025-April/258068.html
+
+- Fix handle leak occured when the signal handler calls longjmp().
+  https://sourceware.org/pipermail/cygwin/2025-March/257726.html
+
+- Fix conserver-config error.
+  https://cygwin.com/pipermail/cygwin/2025-April/258086.html