Release patch 0.4.3

Preparing 0.4.2 patch release

0.4.2 intermediate release

Properly handle tarantool.debug.getsources access.
0.4.2 intermediate release

Properly handle tarantool.debug.getsources access.

debugger: use tarantooldb org

Change organization name to 'tarantooldb' as we
were unable to restore access to TaranTOOL organization on Azure.