update version in comment

dwrensha · dwrensha · commit 93df0123a815 · 2023-01-16T20:31:52.000-05:00
diff --git a/capnpc/src/lib.rs b/capnpc/src/lib.rs
@@ -34,7 +34,7 @@
 //! build = "build.rs"
 //!
 //! [build-dependencies]
-//! capnpc = "0.15"
+//! capnpc = "0.16"
 //! ```
 //!
 //! In your build.rs:
