message: Changelog: add () after function names.
diff: ### Breaking Changes
  -- Make `ToLower` and `LocaleInvariantCaseInsensitiveEqual` internal by moving them from `Azure::Core::Strings` to `Azure::Core::Internal::Strings`.
  +- Make `ToLower()` and `LocaleInvariantCaseInsensitiveEqual()` internal by moving them from `Azure::Core::Strings` to `Azure::Core::Internal::Strings`.
  ### Bug Fixes
  