backport: Merge bitcoin#28144, 26705, 27832, 28101, 28028#7078

Draft

vijaydasmp wants to merge 2 commits intodashpay:developfrom

vijaydasmp:Jan_2026_3

Commits on Jan 4, 2026

Merge bitcoin/bitcoin#28144: test: fix intermittent failure in p2p_getaddr_caching.py

fanquake
authored and
vijaydasmp
committed
Merge bitcoin/bitcoin#26705: clang-tidy: Fix `modernize-use-default-member-init` in headers and force to check all headers

MarcoFalke
authored and
vijaydasmp
committed