Deltachat

- fix oauth2/gmail bug introduced in beta23 (not used in releases) 1219

- fix panic when receiving eg. cyrillic filenames 1216

- delete all consumed secure-join handshake messagess 1209 1212

- Rust-level cleanups 1218 1217 1210 1205

- python-level cleanups 1204 1202 1201

- 1197 fix imap-deletion of messages

- 1171 Combine multiple MDNs into a single mail, reducing traffic

- 1155 fix to not send out gossip always, reducing traffic

- 1160 fix reply-to-encrypted determination

- 1182 Add "Auto-Submitted: auto-replied" header to MDNs

- 1194 produce python wheels again, fix c/py.delta.chat
master-deployment

- rust-level housekeeping and improvements 1161 1186 1185 1190 1194 1199 1191 1190 1184 and more

- 1063 clarify licensing

- 1147 use mailparse 0.10.2

- 1095 normalize email lineends to CRLF

- 1095 enable link-time-optimization, saves eg. on android 11 mb

- 1099 fix import regarding devicechats

- 1092 improve logging

- 1096 1097 1094 1090 1091 internal cleanups

- 1078 1082 ensure RFC compliance by producing 78 column lines for
encoded attachments.

- 1080 don't recreate and thus break group membership if an unknown
sender (or mailer-daemon) sends a message referencing the group chat

- 1081 1079 some internal cleanups

- update imap-proto dependency, to fix yandex/oauth

- 1074 fix OAUTH2/gmail
- 1072 fix group members not appearing in contact list
- 1071 never block interrupt_idle (thus hopefully also not on maybe_network())
- 1069 reduce smtp-timeout to 30 seconds
- 1066 1065 avoid unwrap in dehtml, make literals more readable

- 1058 timeout smtp-send if it doesn't complete in 15 minutes

- 1059 trim down logging