Merge branch 'release-6.0.6' into 6.0

diff --cc NEWS
index 43dee12f5b969c975e0ad61f3a7adeaad90bfccc,6c5be8af36502c11f2ecd06f739db773e149c036..d4ce40fbe7db4c9024997fe8b60561c8c159e93e
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -7,7 -25,7 +25,8 @@@ Improvement
  
  Bugfixes
  --------
+ - fix potential SERVFAIL deadlocks if net.ipv6 = false (#880)
 +- fix validation of RRsets around 64 KiB size; needs libknot >= 3.4 (!1497)
  
  
  Knot Resolver 6.0.5 (2024-01-09)