fix: cmake build (#2717)

Author: 0ax1

vortex-duckdb/Cargo.toml

@@ -18,6 +18,7 @@ readme = { workspace = true }
 name = "vortex_duckdb"
 path = "src/lib.rs"
 bench = false
+crate-type = ["staticlib", "cdylib"]
 
 [dependencies]
 arrow-array = { workspace = true }