rust/toolchains(deps): bump wat in /tools-builder/toolchains

Bumps [wat](https://github.com/bytecodealliance/wasm-tools) from 1.240.0 to 1.241.2.
- [Release notes](https://github.com/bytecodealliance/wasm-tools/releases)
- [Commits](bytecodealliance/wasm-tools@v1.240.0...v1.241.2)

---
updated-dependencies:
- dependency-name: wat
  dependency-version: 1.241.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tools-builder/toolchains/Cargo.lock

@@ -18,7 +18,7 @@ log = "0.4"
 # WebAssembly parsing and manipulation
 wasmparser = "0.240"
 wasm-encoder = "0.241"
-wat = "1.240"
+wat = "1.242"
 
 # Component model support
 wit-parser = "0.240"