There's a merged pull request on the void-packages repository

dunst: update to 1.7.2.
https://github.com/void-linux/void-packages/pull/34367

Description:
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Also:
* Enabled tests
* Added conf_files
* Set SYSCONFDIR to not default to /usr/etc
* Dunst doesn't require GTK3 anymore since quite some time so removed from makedepends

#### Testing the changes
- I tested the changes in this PR: **YES**

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