[clang] [Sema] Fix an out-of-bounds crash when diagnosing bad conversion for a function with a parameter pack. (PR #92721)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. 
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You can test this locally with the following command:
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``````````bash
git-clang-format --diff 7429950d840b8fec3d9a48d00e612a3240c2be83 
4358b43e283cb13dbe4d32fcce3c68b6da15b12a -- clang/lib/Sema/SemaOverload.cpp 
clang/test/Misc/diag-overload-cand-ranges.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index f9a5032e10..21644dd56b 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -11307,7 +11307,7 @@ static void DiagnoseBadConversion(Sema &S, 
OverloadCandidate *Cand,
       ToParamRange = Fn->getParamDecl(I)->getSourceRange();
     else {
       // For the parameter pack case, diagnose on the first pack.
-      for (const auto* ParamDecl : Fn->parameters()) {
+      for (const auto *ParamDecl : Fn->parameters()) {
         if (ParamDecl->isParameterPack()) {
           ToParamRange = ParamDecl->getSourceRange();
           break;

``````````

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https://github.com/llvm/llvm-project/pull/92721
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