Add a mention of the `WasiCtxBuilder` move in the RELEASES.md document.
As suggested in mention that the path to `WasiCtxBuilder` changed
in the 0.23.0 release.
@@ -38,6 +38,10 @@ Released 2021-02-16.
[`cap-std`](https://github.com/bytecodealliance/cap-std) crate was added,
replacing the previous implementation. This brings improved robustness,
portability, and performance.
+
+* `wasmtime_wasi::WasiCtxBuilder` moved to
+ `wasi_cap_std_sync::WasiCtxBuilder`.
+
* The WebAssembly C API is updated, with a few minor API changes
[#2579](https://github.com/bytecodealliance/wasmtime/pull/2579)
