Upgrade overview

This release contains upgrade notes that deviate from the norm:

‼️ Requires new encryption secrets environment variables
⚠️ Requires rebuilding Elasticsearch accounts index
⚠️ The Docker image has been split in two separate images
ℹ️ Requires database migrations

Ох ё...как нибудь обновлю, честно, но отнеситесь с пониманием, это займет время :blobcatgooglyholdingitsheadinitshands:​#MML #notg