Update liquidity type in Tick and CurrentLiquidity

[gztensor]

Description

• Update u64 to u128 for liquidity storage
• Migration to fix overflowing liquidity ticks and reserves
• Migration to fix incorrect protocol liquidity (no reserve change, no price change)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Other (please describe):

Breaking Change

• Ticks map is replaced with Ticks128, which returns a different Tick type (Tick128):

pub struct Tick128 {
    pub liquidity_net: i128,
    pub liquidity_gross: u128,
    pub fees_out_tao: I64F64,
    pub fees_out_alpha: I64F64,
}

• CurrentLiquidity map is replaced with CurrentLiquidity128, which returns u128 instead of u64

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have run cargo fmt and cargo clippy to ensure my code is formatted and linted correctly
• 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