Bump mods/pipeworks from `5aa0501` to `8a29f88`

Bumps [mods/pipeworks](https://github.com/mt-mods/pipeworks) from `5aa0501` to `8a29f88`.
- [Release notes](https://github.com/mt-mods/pipeworks/releases)
- [Commits](https://github.com/mt-mods/pipeworks/compare/5aa0501872c618171dc58ade1d75f0db989f3bd4...8a29f8844cd35235e04755ed50c6a3908c1c22f6)