build(cargo): re-adding serde-pyobject after mistakingly removing it

Cargo.lock

@@ -1376,6 +1376,16 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-pyobject"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca4b0aad8b225845739a0030a0d5cc2ae949c56a86a7daf9226c7df7c2016d16"
+dependencies = [
+ "pyo3",
+ "serde",
+]
+
 [[package]]
 name = "serde_derive"
 version = "1.0.205"
@@ -1569,6 +1579,7 @@ dependencies = [
  "pyo3",
  "reqwest",
  "serde",
+ "serde-pyobject",
  "serde_json",
  "sha1",
  "strum",

Cargo.toml

@@ -4,3 +4,4 @@ members = [
     "szurubooru-client",
     "szurubooru-integration-test"
 ]
+default-members = ["szurubooru-client"]

szurubooru-client/Cargo.toml

@@ -19,6 +19,7 @@ hex = "0.4.3"
 pyo3 = { version="0.22.0", optional=true, features=["chrono-tz", "chrono", "extension-module", "serde", "experimental-async"] }
 reqwest = { version = "0.12.5", features = ["json", "multipart", "stream"] }
 serde = { version = "1.0.204", features = ["derive"] }
+serde-pyobject = { version = "0.4.0", optional = true }
 serde_json = "1.0.120"
 sha1 = "0.10.6"
 strum = { version = "0.26.3", features = ["derive", "strum_macros"] }
@@ -34,7 +35,8 @@ mockito = "1.4.0"
 tokio = { version = "1.39.2", features = ["full"] }
 
 [features]
-python = ["dep:pyo3", "dep:tokio"]
+python = ["dep:pyo3", "dep:tokio", "dep:serde-pyobject"]
+serde-pyobject = ["dep:serde-pyobject"]
 
 [lib]
 name = "szurubooru_client"