build(deps): bump packaging/linux/flatpak/deps/shared-modules

Bumps [packaging/linux/flatpak/deps/shared-modules](https://github.com/flathub/shared-modules) from `a4889f0` to `bfd248a`.
- [Commits](flathub/shared-modules@a4889f0...bfd248a)

---
updated-dependencies:
- dependency-name: packaging/linux/flatpak/deps/shared-modules
  dependency-type: direct:production
...

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