[clang] [NFC][CLANG] Fix static analyzer bugs about unnecessary object copies with auto keyword (PR #86808)

[Cyndy Ishida via cfe-commits]

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@@ -255,7 +255,7 @@ bool InstallAPIVisitor::VisitFunctionDecl(const FunctionDecl *D) {
       return true;
 
     // Skip methods in CXX RecordDecls.
-    for (auto P : D->getASTContext().getParents(*M)) {
+    for (const auto &P : D->getASTContext().getParents(*M)) {
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cyndyishida wrote:

```suggestion
    for (const DynTypedNode &P : D->getASTContext().getParents(*M)) {
```
An improvement would be to be explicit about the type.

https://github.com/llvm/llvm-project/pull/86808