chore(deps): update dependency libretime/libretime to v4.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
libretime/libretime	minor	4.1.0 -> 4.2.0

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Release Notes

libretime/libretime (libretime/libretime)

### [`v4.2.0`](https://togithub.com/libretime/libretime/blob/HEAD/CHANGELOG.md#420-2024-06-22) [Compare Source](https://togithub.com/libretime/libretime/compare/4.1.0...4.2.0) ##### Features - **legacy:** add current date macro to string block criteria ([#​3013](https://togithub.com/libretime/libretime/issues/3013)) ([451652b](https://togithub.com/libretime/libretime/commit/451652bc4002b142ab9cf33ae517451c4966134f)) - **legacy:** add filename block criteria ([#​3015](https://togithub.com/libretime/libretime/issues/3015)) ([4642b6c](https://togithub.com/libretime/libretime/commit/4642b6c08ef813ab5dc7354f73141239f5c145e0)) ##### Bug Fixes - pin pip version to <24.1 to allow installing pytz (celery) ([#​3043](https://togithub.com/libretime/libretime/issues/3043)) ([646bc81](https://togithub.com/libretime/libretime/commit/646bc817246a1e3e0d8107c2b69d726681c643b6)) - playlist allocates inaccurate time to smartblocks ([#​3026](https://togithub.com/libretime/libretime/issues/3026)) ([2b43e51](https://togithub.com/libretime/libretime/commit/2b43e51ed140bf307e491f0fcb7b84f95709d604)) ##### Performance Improvements - optimize the api image health check ([#​3038](https://togithub.com/libretime/libretime/issues/3038)) ([d99d6e1](https://togithub.com/libretime/libretime/commit/d99d6e1a68f20b3f4255296cd22ac80a90adc020)) - optimize the rabbitmq health check ([#​3037](https://togithub.com/libretime/libretime/issues/3037)) ([9684214](https://togithub.com/libretime/libretime/commit/96842144257855df86085b052ed8ff87562bc049))

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