community/vectorscan: upgrade to 5.4.4
- upgrade vectorscan as only changed file in rspamd backtrace is vectorscan https://github.com/VectorCamp/vectorscan/commit/e35b88f2c8dd506f33ff7eaad361eda431009627
We are currently working on getting Alpine Linux 3.21 out. This means that merge requests that are not aimed to help with that (only affecting testing, new aports) have a lower priority at the moment. Please be patient, they will be eventually picked up.