fix(pagination): wrap PaginationItem in list and fix hydration error

[frankdavidcorona]

Each PaginationItem within an unordered list for improved accessibility and to adhere to proper HTML semantics, ensuring that individual pagination buttons are recognized as part of a list structure.

This solve this Hydration issue:

[vercel[bot]]

@frankdavidcorona is attempting to deploy a commit to the shadcn-pro Team on Vercel.

A member of the Team first needs to authorize it.

[shadcn]

@frankdavidcorona We fixed this in https://github.com/shadcn-ui/ui/pull/2190. I'm going to close this one but feel free to reopen if you have any questions. Thanks for the PR. Appreciate it.