bug(dd): when count= is a very large number it panics

[HackingRepo]

Hi, uutils mainteners

we confirmed dd panics when count= is a very large number

relunsec@relunsec:~/software/coreutils/target/debug$ ./dd if=a of=b count=177817277272177278

thread 'main' (107552) panicked at src/uu/dd/src/dd.rs:1425:42:
attempt to multiply with overflow
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
relunsec@relunsec:~/software/coreutils/target/debug$