GHSA-2P94-8669-XG86 Vyper's sqrt doesn't define rounding behavior

Vyper's sqrt builtin uses the babylonian method to calculate square roots of decimals. Unfortunately, improper handling of the oscillating final states may lead to sqrt incorrectly returning rounded up results. the fix is tracked in https://github.com/vyperlang/vyper/pull/4486 Vulnerability Detai...