Support builds for Electron v29

[neoxpert]

This branch adds some adjustments in order to enable builds for Electron v29. The signature of SetAccessor has been adjusted to be the same as before for all versions below 29. For 29 and up the new function signature will be used.

[mceachen]

Thanks for the PR, @neoxpert !

@JoshuaWise can you take a look at this please?

(I don't have merge permissions for this PR)

[veemex]

First of all good job guys! When do you think this can be merged ? I am currently using the branch from @neoxpert , it seems it works for me.

[ReconVirus]

Holy shit this works as ive been having trouble with it for weeks. Hella mad props to @neoxpert for the branch. A simple install
npm install neoxpert/better-sqlite3#fix_electron29_build electron-rebuild fucking works no problem now, things just fucking works now thank you so much

@JoshuaWise this is it!

[JoshuaWise]

Sorry for the delay on this one. Thanks for the contribution!