feat: strip uri credentials from logs

[banteg]

what was wrong

when using a connection uri which contains user:pass, it was output as plain text:

INFO: Connecting to existing Erigon node at 'https://bunny:carrot123@bunny-server.com/'.

how i fixed it

added GethProvider._clean_uri which strips username and password from connection string and use it when we print it. the yarl package i import is a dependency to web3.

now it's printed like this:

INFO: Connecting to existing Erigon node at 'https://bunny-server.com/'.

Checklist

• All changes are completed
• New test cases have been added
• Documentation has been updated