build(deps): bump gobject-sys from ea413ca to 90fc203

Bumps [gobject-sys](https://github.com/gtk-rs/gtk-rs-core) from `ea413ca` to `90fc203`.
- [Release notes](https://github.com/gtk-rs/gtk-rs-core/releases)
- [Commits](gtk-rs/gtk-rs-core@ea413ca...90fc203)

---
updated-dependencies:
- dependency-name: gobject-sys
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>