libolm deprecation and possible security vulnerablity

[tusooa]

Describe the bug libolm is now deprecated and is likely to have security vulnerabilities ( https://furry.engineer/@soatok/112879830539550564 ).

To Reproduce N/A

Expected behavior N/A

Is it environment-specific? No

Additional context https://github.com/Nheko-Reborn/nheko/issues/1786