[Go SDK] Bump github.com/tetratelabs/wazero version to 1.0.0-pre.9

[Damon Douglas]

Hello Beam Gophers,

This PR patches the Go SDK wasm example, bumping
github.com/tetratelabs/wazero version to 1.0.0-pre.9.

https://github.com/apache/beam/pull/25560

Best,

Damon