chore(deps): Correctly set minimal versions for graphql_client (#541)

Author: DanielVoogsgerd

graphql_client/Cargo.toml

@@ -16,8 +16,8 @@ rust-version.workspace = true
 features = ["reqwest"]
 
 [dependencies]
-serde = { version = "^1.0.78", features = ["derive"] }
-serde_json = "1.0"
+serde = { version = "1.0.78", features = ["derive"] }
+serde_json = "1.0.50"
 
 # Optional dependencies
 graphql_query_derive = { path = "../graphql_query_derive", version = "0.14.0", optional = true }