Update wit-bindgen to 0.19.1 (#73)

Pulls in a fix to enable defining `cabi_realloc` as a weak symbol so all
projects don't have to agree on `wit-bindgen` versions.

Author: alexcrichton

.github/workflows/main.yml

@@ -47,6 +47,6 @@ jobs:
     - uses: actions/checkout@v4
     - name: Install Rust
       run: rustup update stable && rustup default stable
-    - run: cargo install wit-bindgen-cli@0.16.0
+    - run: cargo install wit-bindgen-cli@0.19.1
     - run: ./ci/regenerate.sh
     - run: git diff --exit-code

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "wasi"
-version = "0.12.0+wasi-0.2.0"
+version = "0.12.1+wasi-0.2.0"
 authors = ["The Cranelift Project Developers"]
 license = "Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT"
 description = "WASI API bindings for Rust"
@@ -12,7 +12,7 @@ readme = "README.md"
 documentation = "https://docs.rs/wasi"
 
 [dependencies]
-wit-bindgen = { version = "0.16", default-features = false, features = ['realloc'] }
+wit-bindgen = { version = "0.19.1", default-features = false, features = ['realloc'] }
 
 # When built as part of libstd
 compiler_builtins = { version = "0.1", optional = true }