[release/6.0] Deprecate ICU ucol_safeClone and support ucol_clone (backports #68847)#75527

ayakael wants to merge 1 commit intodotnet:release/6.0dotnet/runtime:release/6.0from

ayakael:backport/pr-68847-to-release/6.0ayakael/runtime:backport/pr-68847-to-release/6.0Copy head branch name to clipboard