[clang] [clang-format] Handle constrained auto in QualifierAlignment (PR #72251)

[Owen Pan via cfe-commits]

================
@@ -345,6 +345,8 @@ const FormatToken *LeftRightQualifierAlignmentFixer::analyzeRight(
         TypeToken = Next->getNextNonComment()->getNextNonComment();
       }
     }
+    if (Next->is(tok::kw_auto))
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owenca wrote:

```suggestion

        if (Next->is(tok::kw_auto))
```

https://github.com/llvm/llvm-project/pull/72251