chore: release v0.3.0

[github-actions]

🤖 New release

• tket-json-rs: 0.2.0 -> 0.3.0 (⚠️ API breaking changes)

⚠️ tket-json-rs 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/v0.24.2/src/lints/inherent_method_missing.ron

Failed in:
  SerialCircuit::_from_tket1, previously in file /tmp/.tmpCcfyh4/tket-json-rs/src/pytket.rs:10

--- failure method_parameter_count_changed: pub method parameter count changed ---

Description:
A publicly-visible method now takes a different number of parameters.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#fn-change-arity
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.24.2/src/lints/method_parameter_count_changed.ron

Failed in:
  tket_json_rs::circuit_json::SerialCircuit::to_tket1 now takes 2 parameters instead of 1, in /tmp/.tmpvYRSl5/tket-json-rs/src/pytket.rs:22

Changelog

0.3.0 (2023-11-09)

Features

• [breaking] Non-locking python conversion calls (#25)

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