Replace `once_cell` crate with `std::sync::OnceLock` · gtk-rs/gir@7483771

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2698

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2703

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2708

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2715

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2720

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2742

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2818

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2890

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2913

cannot find type `GType` in this scope

Test (tests/sys): tests/sys/glib-sys/src/lib.rs#L2945

cannot find type `GType` in this scope

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Test (tests/sys): tests/sys/gdk-sys/build_version.rs#L5

function `version` is never used

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

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