Knot DNS 1.5.2

Update Knot DNS to new upstream release 1.5.2 with patch to replace
pthread_spinlock_t with pthread_mutex_t to compile on the Mac OS X

Closes #32158.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Knot DNS: add HEAD

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
knot: update 1.5.2 bottle.