Revert "Use ^2.0@dev for monolog/monolog."
Revert "Use ^2.0@dev for monolog/monolog."

This reverts commit ea8aec9b26b80798478846c85faa0629cf766edb.

rarila/bolt,nikgo/bolt,bolt/bolt,HonzaMikula/masivnipostele,electrolinux/bolt,GawainLynch/bolt,Raistlfiren/bolt,HonzaMikula/masivnipostele,HonzaMikula/masivnipostele,cdowdy/bolt,rarila/bolt,electrolinux/bolt,bolt/bolt,CarsonF/bolt,romulo1984/bolt,nikgo/bolt,nikgo/bolt,romulo1984/bolt,Intendit/bolt,bolt/bolt,lenvanessen/bolt,romulo1984/bolt,Raistlfiren/bolt,rarila/bolt,CarsonF/bolt,bolt/bolt,joshuan/bolt,lenvanessen/bolt,lenvanessen/bolt,joshuan/bolt,GawainLynch/bolt,cdowdy/bolt,cdowdy/bolt,joshuan/bolt,CarsonF/bolt,Intendit/bolt,GawainLynch/bolt,rarila/bolt,Intendit/bolt,electrolinux/bolt,CarsonF/bolt,Raistlfiren/bolt,GawainLynch/bolt,romulo1984/bolt,lenvanessen/bolt,HonzaMikula/masivnipostele,Intendit/bolt,joshuan/bolt,cdowdy/bolt,electrolinux/bolt,nikgo/bolt,Raistlfiren/bolt