Update translation.json

[7ROBE]

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[greptile-apps]

PR Summary

Updated Arabic translations in Hydra launcher with comprehensive language improvements and new feature support.

• Standardized terminology across UI elements (e.g. consistently using 'جاري' for 'in progress' states)
• Added localization for new features including cloud saves, achievements, and theme management
• Improved natural pluralization forms specific to Arabic grammar
• Enhanced clarity of system messages and notifications with more idiomatic Arabic phrasing
• Fixed encoding issues to properly display Arabic characters throughout the interface

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