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

gthumb: update to 3.12.5, disable Flickr integration
https://github.com/void-linux/void-packages/pull/48890

Description:
Relies on libwebkit2gtk-4.0, which is becoming increasingly burdensome. Also relies on libsoup2.

Re-enable when upstream fixes that:
https://gitlab.gnome.org/GNOME/gthumb/-/issues/244

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

cc: @Bnyro 

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