Bump wat from 1.215.0 to 1.216.0 (#1952)

Bumps [wat](https://github.com/bytecodealliance/wasm-tools) from 1.215.0 to 1.216.0.
- [Release notes](https://github.com/bytecodealliance/wasm-tools/releases)
- [Commits](bytecodealliance/wasm-tools@v1.215.0...v1.216.0)

---
updated-dependencies:
- dependency-name: wat
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

lib/Cargo.toml

@@ -102,7 +102,7 @@ criterion = "0.5.1"
 futures-executor = { version = "0.3.28", default-features = false }
 rand = { version = "0.8.5", default-features = false, features = ["std", "std_rng"] }
 tempfile = "3.10.0"
-wat = "1.214.0"
+wat = "1.216.0"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]