message: Update several rust crate versions
  Summary: Update versions for several of the crates we depend on.
diff: @@ -20,7 +20,7 @@ fbthrift = { path = "../../thrift/lib/rust" }
  futures = { version = "0.3.13", features = ["async-await", "compat"] }
  once_cell = "1.4"
  ref-cast = "1.0.2"
  -serde = { version = "=1.0.118", features = ["derive", "rc"] }
  +serde = { version = "1.0.126", features = ["derive", "rc"] }
  serde_derive = "1.0"
  thiserror = "1.0"
  