v2025.3
ostree/cargo: bump to ostree-sys 0.9.2
Enable `trust_return_value_nullability`
rust-bindings: Delete committed gir files
rust: Update to 2025.2
rust: Release new minor version
rust-bindings/tests: Display no longer implemented, but Debug is
rust: Update to glib 0.20
rust: Tweaks for README.md