🐛 add quorum for requesting balance

[tenmoves]

Description

When requesting balance we used to get the value from the first node, we need to do a quorum call and use the max value form the balance.

Fixes #692

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

This is tested in get_balance/1 tests in test/archethic_test.exs, I modified the tests to have multiple nodes with multiple balance values and different tokens with different values.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules