Updated some dependencies and removed old unused attribute that might create compile errors

Cargo.toml

@@ -16,9 +16,9 @@ reqwest = "0.8.5"
 multipart = "0.14.2"
 
 # A generic serialization/deserialization framework
-serde = "1.0.39"
-serde_derive = "1.0.39"
-serde_json = "1.0.15"
+serde = "1.0.43"
+serde_derive = "1.0.43"
+serde_json = "1.0.16"
 
 # A safe, extensible ORM and Query builder
 diesel = { version = "1.2.2", features = ["sqlite", "chrono", "r2d2"] }