Docs: Remove old LazyLoadEvent in favour of TableLazyLoadEvent in docs

[qwadrox]

Describe the bug

The docs: https://primeng.org/table#virtual-scroll-lazy

The examples are still using the LazyLoadEvent interface which might cause problems when strictTemplates enabled: https://github.com/orgs/primefaces/discussions/1945

Environment

Reproducer

No response

Angular version

18

PrimeNG version

17.18.9

Build / Runtime

Angular CLI App

Language

TypeScript

Node version (for AoT issues node --version)

Browser(s)

No response

Steps to reproduce the behavior

No response

Expected behavior

Lazy examples should come with using TableLazyLoadEvent interface