chore: release klt 0.8.4

[mowies]

:robot: I have created a release beep boop

0.8.4 (2023-09-26)

Features

• some feature (9af2db3)

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[mowies]

:robot: Release is at https://github.com/mowies/lifecycle-controller/releases/tag/klt-v0.8.4 :sunflower: