master
cf-capsule: complete filter
vdns: directory for all DNS related sources
ngtcp2: share common functionality
h3-proxy: fix NULL deref when non-:status header arrives before :status
build: replace `assert()` with `DEBUGASSERT()`, where missing
ngtcp2: clean up after ngtcp2 in `curl_global_cleanup`
vquic: add Curl_ prefix to some global functions