chore: release v0.8.0

[ros2-rust-release-plz]

🤖 New release

• rclrs: 0.7.0 -> 0.8.0 (✓ API compatible changes)

Changelog

0.8.0 - 2026-06-22

Added

• re-export rosidl_runtime_rs from rclrs (#649)
• [breaking] Re-Export Generated Messages in rclrs (#556)
• add server_is_available to ActionClientState (#622)
• [breaking] add parameter callbacks (#611)
• add logging_rosout.h to the list of headers to generate bindings for (#594)

Fixed

• handle rolling introspection member layout (#641)
• correct pointer dereference in resize_unchecked function (#630)
• gate deprecated liveliness variant by distro (Remove default from switch with enum, so that compiler warns. ros2/rmw#414) (#624)
• replace try_next with try_recv (#609)
• initialize rosout publisher on distros newer than Humble (#593)

Other

• update ros-env dependency to 0.2 (#648)
• (bindings) regenerate bindings for rolling (#633)
• (bindings) regenerate bindings for humble (#639)
• (bindings) regenerate bindings for rolling (#621)
• Add service introspection (#560)
• (bindings) regenerate bindings for humble (#596)
• (bindings) regenerate bindings for kilted (#597)
• (bindings) regenerate bindings for rolling (#598)
• (bindings) regenerate bindings for jazzy (#599)

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