Major changes:

• Add dag_stats rest api endpoint (#41017)
• AIP-64: Add task instance history list endpoint (#40988)
• Change DAG Audit log tab to Event Log (#40967)
• AIP-64: Add REST API endpoints for TI try level details (#40441)
• Make XCom display as react json (#40640)
• Replace usages of task context logger with the log table (#40867)
• Fix tasks API endpoint when DAG doesn't have start_date (#40878)
• Add try_number to log table (#40739)
• Add executor field to the task instance API (#40034)
• Add task documentation to details tab in grid view. (#39899)
• Add max_consecutive_failed_dag_runs in API spec (#39830)
• Add task failed dependencies to details page. (#38449)
• Add dag re-parsing request endpoint (#39138)
• Reorder OpenAPI Spec tags alphabetically (#38717)