lower default EDNS buffer size to 1232

Default needs to follow https://dnsflagday.net/2020/

This should prevent #300 (closed) from happening.

changed milestone to %5.0.0

added easyfix label

changed the description

assigned to @ljezek

@ljezek This should be fairly easy once you find where the default value is stored :-)

Hint: Start from this Lua snippet.

> net.bufsize()
4096

One more thing: Please add Closes: #300 into the MR. Thanks!

mentioned in merge request !920 (merged)

removed milestone

closed via commit 43b40577

mentioned in commit 43b40577