Pachli 2.7.0

New features:

- New search operators UI
- Warn if post language might be wrong
- Show author bylines
- Edit a matching filter from the timeline
- Show autocomplete hashtags with usage counts

Fixes:

- Ensure trending tag name is visible
- Enable server filtering on GoToSocial 0.16+
- Don't show keyboard after search results
- Correct post length calculation
- Correct content description punctuation
- Update Chinese, Finnish, Irish, Spanish, Norwegian translations