Bump phan/phan from 2.3.0 to 2.4.0

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Update CKEditor to v15

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix removed reply to email

Fix HTML handling when switching from plain text to HTML mode

Fix loggin drafts promise errors

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Bump node-sass from 4.12.0 to 4.13.0

Bump eslint-config-prettier from 6.4.0 to 6.5.0

Allow HTML signatures

Fix ckeditor

Fixes https://github.com/nextcloud/mail/issues/1659

 #2148

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Bump psr/log from 1.1.0 to 1.1.1

This reverts commit a3e9fa80.

This reverts commit efee6e44.

This reverts commit ba924f65.

Bumps [phan/phan](https://github.com/phan/phan) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/phan/phan/releases)
- [Changelog](https://github.com/phan/phan/blob/master/NEWS.md)
- [Commits](https://github.com/phan/phan/compare/2.3.0...2.4.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Fix unnecessary line breaks in quoted reply text

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 6.4.0 to 6.5.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-config-prettier/compare/v6.4.0...v6.5.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [node-sass](https://github.com/sass/node-sass) from 4.12.0 to 4.13.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.12.0...v4.13.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [psr/log](https://github.com/php-fig/log) from 1.1.0 to 1.1.1.
- [Release notes](https://github.com/php-fig/log/releases)
- [Commits](https://github.com/php-fig/log/compare/1.1.0...1.1.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #2171 from nextcloud/dependabot/npm_and_yarn/ckeditor/ckeditor5-basic-styles-15.0.0

Merge pull request #2170 from nextcloud/dependabot/npm_and_yarn/ckeditor/ckeditor5-build-balloon-15.0.0

Merge pull request #2169 from nextcloud/dependabot/npm_and_yarn/ckeditor/ckeditor5-essentials-15.0.0

Bump @ckeditor/ckeditor5-essentials from 11.0.5 to 15.0.0

Better layout for reading and writing mails

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>