fix: correct README doc links for wit-bindgen-go to point to latest URL/repo location (#1216)

Signed-off-by: deadprogram <ron@hybridgroup.com>

Author: deadprogram

README.md

@@ -370,12 +370,12 @@ https://github.com/bytecodealliance/wit-bindgen/commit/86e8ae2b8b97f11b73b273345
 ### Guest: TinyGo
 
 The **new** TinyGo WIT bindings generator is currently in development at the
-[wasm-tools-go](https://github.com/bytecodealliance/wasm-tools-go) repository.
+[go.bytecodealliance.org](https://github.com/bytecodealliance/go-modules) repository.
 
 To install the `wit-bindgen-go` CLI, run:
 
 ```sh
-go install github.com/bytecodealliance/wasm-tools-go/cmd/wit-bindgen-go
+go install go.bytecodealliance.org/cmd/wit-bindgen-go@latest
 ```
 > Note: it requires `wasm-tools` to be installed.