Google has an updated and signed statement for 2021 regarding all three acts, however it is not current and only covered through the end of 2021.
p.1: "We are issuing this statement pursuant to the UK Modern Slavery Act, Australia Modern Slavery Act¹, and theCalifornia Transparency in Supply Chains Act, which require Google and certain of its subsidiaries to discloseefforts to ensure that modern slavery is not taking place in our supply chains and business operations.This is our seventh statement, covering our 2022 financial year (January 1 - December 31, 2022)."