rust: std_vendor: update dbg macro from Rust upstream

rust: std_vendor: update dbg macro from Rust upstream

`dbg!` contains adapted code from Rust upstream. Compare the kernel
code with the Rust upstream one and update missing column numbers in
`dbg!` outputs.

Column numbers are not copied but adjusted for the kernel's examples.

Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://github.com/Rust-for-Linux/linux/issues/1124
Signed-off-by: Deepak Thukral <iapain@gmail.com>
Link: https://lore.kernel.org/r/20241004125616.49886-1-iapain@gmail.com
[ Fixed typo and slightly reworded. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>