export eip6963 types

[luu-alex]

eip6963 types are not being exported to the package, this makes using eip6963 hard for users,
https://github.com/web3/web3.js/blob/4.x/packages/web3/src/web3_eip6963.ts types should be exported and available for ease

Expected behavior

Actual behavior

Steps to reproduce the behavior

1. [First step]
2. [Second step]
3. [and so on...]

Logs

Environment

[danforbes]

These types are exported under the providers namespace