[clang][deps] Add a release note for fixing crashes in clang-scan-deps. (#149857)

(cherry picked from commit dbc41dd)

Author: vsapsai

clang/docs/ReleaseNotes.rst

@@ -800,6 +800,8 @@ Bug Fixes in This Version
   declaration statements. Clang now emits a warning for these patterns. (#GH141659)
 - Fixed false positives for redeclaration errors of using enum in
   nested scopes. (#GH147495)
+- Fixed a crash in `clang-scan-deps` when a module with the same name is found
+  in different locations (#GH134404, #GH146976).
 
 Bug Fixes to Compiler Builtins
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