Patch release 5.0.4

[ScharfViktor]

Prerequisites

• DEV/QA: Define client versions and provide list of breaking changes for desktop/mobile team
• DEV/QA: Check new strings and align with clients
• DEV/DOCS: Create list of pending docs tasks
• DEV: Create branch release-x.x.x-rc.x
  • DEV: bump ocis version in necessary files
  • DEV: changelog/CHANGELOG.tmpl
  • DEV: ocis-pkg/version/version.go
  • DEV: sonar-project.properties
  • DEV: prepare changelog folder in changelog/x.x.x_????_??_??
• DEV: Check successful CI run on release branch
• DEV: Create signed tag [v5.0.4-rc.1](https://github.com/owncloud/ocis/releases/tag/v5.0.4-rc.1)
• DEV: Check successful CI run on v5.0.4-rc.1 tag / BLOCKING for all further activity
• DEV: Merge back release branch

QA Phase

• QA: Confirmatory testing (if needed)
  • QA: Fix nats reconnects
• QA: Compatibility testing between 5.0.3 and 5.0.4
• QA: Performance test see result here https://grafana.k6.infra.owncloud.works/?orgId=1&refresh=15m&var-test_id=69434ec2-b51f-42a7-91d6-ef9db204c00c
• QA: e2e with different deployment:
  • QA: wopi against smoke test
  • failed test smoke/upload.feature:18 - due Download result in 404 if file name contains hash(a.k.a. #) (also when using the webdav path)  web#10810
  • failed test smoke/urlJourneys.feature:4

[ScharfViktor]

Final 5.0.4 is published