Use maxBound of uinteger not Int. (#2169)

* Use maxBound of uinteger not Int.

* Add a comment explaining the magic number 2147483647.

* Replace usages of maxBound with maxBoundUinteger in test and bench.

* Update lsp issue link

Co-authored-by: Junyoung "Clare" Jang <jjc9310@gmail.com>
Co-authored-by: Javier Neira <atreyu.bbb@gmail.com>