Dns over http2 5773 v14

[catenacyber]

Link to redmine ticket: https://redmine.openinfosecfoundation.org/issues/5773

Describe changes:

• analyze DNS over HTTP2

SV_BRANCH=https://github.com/OISF/suricata-verify/pull/1734

https://github.com/OISF/suricata/pull/11369 with greener CI. @victorjulien should I squash the 2 last commits in ? They are are help to help you review your last comments...

Draft because of TODO :

• Fix dns json schema and logging first (that is https://redmine.openinfosecfoundation.org/issues/6281 )
• Use config for dns logging...