fix version for derive crate

Signed-off-by: Andrei Gherghescu <8067229+andrei-ng@users.noreply.github.com>

Author: andrei-ng

plotly_derive/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "plotly_derive"
-version = "0.13.3"
+version = "0.13.4"
 description = "Internal proc macro crate for Plotly-rs."
 authors = ["Ioannis Giagkiozis <i.giagkiozis@gmail.com>"]
 license = "MIT"