Added release notes

DaveBrantonCTCT · DaveBrantonCTCT · commit a85cce782217 · 2025-09-02T09:04:05.000+12:00
diff --git a/llvm/docs/ReleaseNotes.md b/llvm/docs/ReleaseNotes.md
@@ -150,6 +150,9 @@ Changes to the Debug Info
 Changes to the LLVM tools
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+* modernize-use-std-format now correctly replaces signed types, and correctly 
+  adds a static_cast to the underlying type when being printed in hex.
+
 Changes to LLDB
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