doxygen 1.8.9

Closes #35350.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
doxygen: update 1.8.9 bottle.
mono: update monolite URL

Closes #35347.

Closes #35349.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
mono: update 3.10.0 bottle.
Merge remote-tracking branch 'upstream/master'