🏗 Improvements

• GraphQL Refactor: Replaced legacy services with GraphQL for module and provider fetching, including new caching support for versioning.
• JDK 25 Migration: The entire project has been upgraded to new Java version.
• Job Retention: New KEEP_JOB_HISTORY variable to prevent database slowdowns by auto-deleting old runs.
• Improved Logging: A large-scale refactor to enhance error handling and log clarity across Terrakube components.
• Error Propagation: Executors now throw and propagate specific exceptions to the UI, providing better feedback on execution failures.
• Log Streaming: Enhanced the executor's ability to send logs directly via the API and improved handling of log stream interruptions.
• Private Extensions: Added support for GitHub App Tokens to allow the use of private extensions and templates from private repositories.
• Workflow Improvements: Empty plans now complete immediately, and workspace default values have been refined for a smoother setup.
• Cloud Connectivity: Prioritized DefaultCredentialsProvider to support STS (Security Token Service) on custom endpoints.

🎨 UI

• Enhanced Visualization: Added GCP icon support to state diagrams and improved the Dark Mode experience.
• Better Data Visibility: 
  • Added sortable columns to variable tables.
  • Displays workspace and VCS details directly in the job run UI.
  • Added a "Category" column to the Global Variables table.
• Token Management: Unified the token listing interface and fixed a bug where team tokens were not displayed immediately after creation.