v69: Version 69 (July 20, 2024)

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Package updates:

* Nextcloud is updated to 26.0.13.
* Z-Push is updated to 2.7.3.

Other updates:

* Fixed an error generating the weekly statistics.
* Fixed file permissions when setting up Nextcloud.
* Added an undocumented option to proxy websockets.
* Internal improvements to the code to make it more reliable and readable.