[hotfix] send notification: only audit ip if authenticated

[hotfix] send-notification: only get e-groups for authenticated requests

- [#202] Upgrade DB to 12.13 (check locally with Docker images)
- [#207] Prevent devices from being removed if associated with a Preference
- [#203] Scheduled notifications: allow delete if not sent yet
- [#205][BUGFIX] Allowing supporters to manage channels

hotfix: get public notifications

hotfix: fix get notifications sort

- [#195] Re-add channelFlags to GetChannelResponse payload
- [#189] Performance improvements: GET /notifications
- [#194] Fix postgres12 creation bug on local deployment
- [#197] Make text search case insensitive
- [#193] Get channels: re-add supporters permissions
- [#186] performance improvements: Get channel/members
- [#192] audit user ip
- [#200] Performance improvements: GET channels/id/edit

[HOTFIX] Several bugfixes and performance improvements

Performance improvements (typeorm v0.3.9, appsignal): post notifications, get channels. Service status

[Hotfix] Close stomp connections

[hotfix] update channel: return channel type

- [#136] Refactor: delete methods shall return 204 on success (channel and devices actions)
- [#159] Allow deleting admin group
- [#161] Make archive option disabled by default
- [#162] Channel: New boolean flag Official/Personal
- [HOTFIX] Add sendPrivate flag to all channels list DTO

[#158] Audit: add endpoint to download external notification audit

Support categories tree structure (from Directory)

[#160] Fix pagination in get channels/notifications

Refactor Subscribe and Unsubscribe actions to return no content, Lowercase username and email on Login/Add channel member/Send notification to target, public channels: hide private info

[HOTFIX] Get channels: support no members or groups in relationships

[HOTFIX] Get channels: load relationships

[#82] Swagger: Channel annotations

[#152] Send Notification DTO: make source optional