What's Changed

• chore: enable alloy-rlp MSRV features by @DaniPopes in https://github.com/alloy-rs/core/pull/1068
• chore(deps): bump breakings by @DaniPopes in https://github.com/alloy-rs/core/pull/1069
• feat(primitives): add flatten extensions by @DaniPopes in https://github.com/alloy-rs/core/pull/1070
• test: use checked methods in Signed tests for cranelift compat by @DaniPopes in https://github.com/alloy-rs/core/pull/1071
• test: speed up Miri tests by @DaniPopes in https://github.com/alloy-rs/core/pull/1072

Full Changelog: https://github.com/alloy-rs/core/compare/v1.5.4...v1.5.5