fix: send VectorEngine images with libcurl

server-rs/crates/platform-image/Cargo.toml

@@ -6,6 +6,7 @@ license.workspace = true
 
 [dependencies]
 base64 = { workspace = true }
+curl = { workspace = true }
 image = { workspace = true, features = ["jpeg", "png", "webp"] }
 reqwest = { workspace = true, features = ["json", "multipart", "rustls-tls"] }
 serde_json = { workspace = true }