Update Rust crate async-trait to 0.1.76 (#56) · prabirshrestha/async-vfs@420e0c7

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/

virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`

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/

virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`

unused import: `smol_potat::test as async_test`

constant `CARGO_MANFIFST_DIR` is never used

function `data_dir` is never used

`async-vfs-os` (test "testutils") generated 3 warnings (run `cargo fix --test "testutils"` to apply 1 suggestion)

virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`

unused import: `tokio::test as async_test`

constant `CARGO_MANFIFST_DIR` is never used

function `data_dir` is never used

`async-vfs-os` (test "testutils") generated 3 warnings (run `cargo fix --test "testutils"` to apply 1 suggestion)

virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`

unused import: `async_std::test as async_test`

constant `CARGO_MANFIFST_DIR` is never used

function `data_dir` is never used

`async-vfs-os` (test "testutils") generated 3 warnings (run `cargo fix --test "testutils"` to apply 1 suggestion)

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