Add changelog entries for the workaround for issue #3050

[ci skip]

(cherry-picked from commit 92812588b3)

changelog.md

@@ -148,6 +148,9 @@
      has been 'warning' since version 1.9.0.
    * Avoid trying to load invalid base64-encoded data URIs.
    * wesnoth_addon_manager and the addons.wesnoth.org web index can now use data URIs.
+   * Implemented a workaround for an unhandled std::bad_cast from string comparison
+     functions that caused a crash-to-desktop when opening Preferences among others
+     (issue #3050).
 
 ## Version 1.13.12
  ### Security fixes

players_changelog.md

@@ -34,6 +34,9 @@ changelog: https://github.com/wesnoth/wesnoth/blob/master/changelog.md
      the official MP server.
    * Attempting to save a screenshot with an unsupported format now shows an error
      message, instead of saving the screenshot as BMP with the requested extension.
+   * Implemented a workaround for an unhandled std::bad_cast from string comparison
+     functions that caused a crash-to-desktop when opening Preferences among others
+     (issue #3050).
 
 
 ## Version 1.13.12