[RELEASE] 4.8.1

[jesmrec]

TASKS:

• [GIT] Create branch release/4.8.1 in owncloud/android from latest
• [DEV] Update version number and name in build.gradle in owncloudApp module
• [DIS] Update release notes in app and changelog in unreleased with the proper content for the release
• [DIS] Move Calens files from unreleased to a new folder like M.m.p_YYYY-MM-DD inside the changelog folder
  - [ ] [DIS] Copy the unreleased folder in master branch into this branch, to avoid Calens conflicts problems
• [DEV] Check and reorder release notes in ReleaseNotesViewModel.kt to assure nothing important is missing there
• [DEV] Code review
• [DIS] Generate final bundle and APK from last commit in the release branch
  - [ ] [DIS] Check for new screenshots in Play Store/GitHub/F-Droid and generate them
• [QA] Design test plan
• [QA] Test execution
  - [ ] [QA] Trigger CI builds for unit tests and UI tests, in case changelog conflicts avoid them in GitHub
• [QA] QA approval
• [DIS] Upload release APK and bundle to internal ownCloud instance
• [DIS] Upload and publish release bundle and changelog in Play Store
  - [ ] [DIS] Update screenshots in Play Store/GitHub/F-Droid
• [GIT] Create and sign tag v4.8.1 in HEAD commit of release branch, in owncloud/android
• [GIT] Move tag latest pointing the same commit as the release commit
• [DIS] Publish a new release in owncloud/android
• [DIS] Release published in Play Store
• [COM] Inform via chat that release is out
  - [ ] [GIT] Merge master into release/4.8.1, fixing all the conflicts that could happen, in owncloud/android
• [GIT] Merge without rebasing release/4.8.1 branch into master, in owncloud/android
• [COM] Ping @DeepDiver1975 to update release information in https://owncloud.com/mobile-apps/

QA

QA checks:

• Smoke test
• Upgrade test

Bugs & improvements:

• (1) ...