Bump godot from 3c7173c to d03e73d in /rust

Bumps [godot](https://github.com/godot-rust/gdext) from `3c7173c` to `d03e73d`.
- [Commits](godot-rust/gdext@3c7173c...d03e73d)

---
updated-dependencies:
- dependency-name: godot
  dependency-type: direct:production
...

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