fix(deps): update rust crate icalendar to v0.16.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
icalendar	dependencies	patch	0.16.2 -> 0.16.3

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Release Notes

hoodie/icalendar-rs (icalendar)

### [`v0.16.3`](https://togithub.com/hoodie/icalendar-rs/blob/HEAD/CHANGELOG.md#v0163-2024-08-13) [Compare Source](https://togithub.com/hoodie/icalendar-rs/compare/v0.16.2...v0.16.3) ##### Fixes - consider value type when escaping and unescaping ([156177d](https://togithub.com/hoodie/icalendar-rs/commit/156177d2fde9b18a8d42a8e61a6aa74d720657d3)), closes [#​104](https://togithub.com/hoodie/icalendar-rs/issues/104)

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