rust: add building static wasmtime bindings too

Why not - users may want to prefer to create a static
binary without having to worry about library paths.

Author: psarna

src/rust/wasmtime-bindings/Cargo.toml

@@ -10,7 +10,7 @@ wasmtime = "2.0"
 
 [lib]
 name = "wblibsql"
-crate-type = ["cdylib"]
+crate-type = ["cdylib", "staticlib"]
 doc = false
 test = false
 doctest = false