[clang] Fix greatergreater (PR #122282)

[Owen Pan via cfe-commits]

https://github.com/owenca commented:

With `ColumnLimit: 60`, this patch doesn't seem to format the following  correctly:
`std::cout << longOperand_1 << longOperand_2 << longOperand_3;`

https://github.com/llvm/llvm-project/pull/122282