Update payment customization Rust dependencies

Author: andrewhassan

sample-apps/payment-customizations/extensions/payment-customization/Cargo.lock

@@ -6,8 +6,8 @@ edition = "2021"
 [dependencies]
 serde = { version = "1.0.13", features = ["derive"] }
 serde_json = "1.0"
-shopify_function = { version = "0.2.3" }
-graphql_client = { git = "https://github.com/graphql-rust/graphql-client", rev = "0776197ad7cfde2c658490e7c7e627a21ed622cb" }
+shopify_function = "0.2.4"
+graphql_client = "0.12.0"
 
 [profile.release]
 lto = true