replace AppendErrorWithFormat with AppendErrorWithFormatv

Co-authored-by: Adrian Prantl <[email protected]>

Author: AbdAlRahmanGad

lldb/source/Commands/CommandObjectThread.cpp

@@ -492,7 +492,9 @@ class CommandObjectThreadStepWithTypeAndScope : public CommandObjectParsed {
           llvm::Error err =
               sc.GetAddressRangeFromHereToEndLine(m_options.m_end_line, range);
           if (err) {
-            result.AppendErrorWithFormat(
+            result.AppendErrorWithFormatv(
+               "invalid end-line option: {0}.",
+                 llvm::toString(std::move(err)));
                 "invalid end-line option: %s.",
                 llvm::toString(std::move(err)).c_str());
             return;