chore(async-jsonl): release v0.3.0

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🤖 New release

• async-jsonl: 0.2.0 -> 0.3.0 (⚠ API breaking changes)

⚠ async-jsonl breaking changes

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/inherent_method_missing.ron

Failed in:
  Jsonl::count_lines, previously in file /tmp/.tmp3B2aZQ/async-jsonl/src/async_jsonl.rs:20

--- failure trait_allows_fewer_generic_type_params: trait now allows fewer generic type parameters ---

Description:
A trait now allows fewer generic type parameters than it used to. Uses of this trait that supplied all previously-supported generic types will be broken.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#trait-new-parameter-no-default
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/trait_allows_fewer_generic_type_params.ron

Failed in:
  trait JsonlValueDeserialize allows 1 -> 0 generic types in /tmp/.tmpHxszim/async-jsonl/crates/async_jsonl/src/async_jsonl.rs:360
  trait JsonlDeserialize allows 1 -> 0 generic types in /tmp/.tmpHxszim/async-jsonl/crates/async_jsonl/src/async_jsonl.rs:248

Changelog

0.3.0 - 2025-06-03

Added

• add methods to read first and last n lines from JSONL files (#7)

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