Update pdns-recursor to version 4.7.1 / rev 55 via SR 987946
https://build.opensuse.org/request/show/987946
by user adamm + dimstar_suse
- update to 4.7.1
* Improvements
- Allow generic format while parsing zone files for ZoneToCache.
References: #11724, #11726, pull request 11750
- Force gzip compression for debian packages (Zash). #11735, PR#11740
* Bug Fixes
- Run tasks from housekeeping thread in the proper way, causing queued
DoT probes to run more promptly. #11692, PR#11748