mvcc: build static library for C bindings

That's how it's currently consumed by libSQL.

core/mvcc/bindings/c/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.0.0"
 edition = "2021"
 
 [lib]
-crate-type = ["cdylib"]
+crate-type = ["cdylib", "staticlib"]
 doc = false
 
 [build-dependencies]

core/mvcc/mvcc-rs/Cargo.toml

@@ -26,9 +26,6 @@ tracing-subscriber = "0"
 tracing-test = "0"
 mvcc-rs = { path = ".", features = ["tokio"] }
 
-[lib]
-crate-type = ["rlib", "cdylib", "staticlib"]
-
 [[bench]]
 name = "my_benchmark"
 harness = false