Update dependency apache-airflow to v2.6.3

This MR contains the following updates:

Package	Update	Change
apache-airflow (source)	patch	2.6.2 -> 2.6.3
apache-airflow (source)	patch	==2.6.2 -> ==2.6.3

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Release Notes

apache/airflow

v2.6.3

Compare Source

Significant Changes ^^^^^^^^^^^^^^^^^^^

No significant changes.

Bug Fixes """""""""

• Use linear time regular expressions (#​32303)
• Fix triggerers alive check and add a new conf for triggerer heartbeat rate (#​32123)
• Catch the exception that triggerer initialization failed (#​31999)
• Hide sensitive values from extra in connection edit form (#​32309)
• Sanitize DagRun.run_id and allow flexibility (#​32293)
• Add triggerer canceled log (#​31757)
• Fix try number shown in the task view (#​32361)
• Retry transactions on occasional deadlocks for rendered fields (#​32341)
• Fix behaviour of LazyDictWithCache when import fails (#​32248)
• Remove executor_class from Job - fixing backfill for custom executors (#​32219)
• Fix bugged singleton implementation (#​32218)
• Use mapIndex to display extra links per mapped task. (#​32154)
• Ensure that main triggerer thread exits if the async thread fails (#​32092)
• Use re2 for matching untrusted regex (#​32060)
• Render list items in rendered fields view (#​32042)
• Fix hashing of dag_dependencies in serialized dag (#​32037)
• Return None if an XComArg fails to resolve in a multiple_outputs Task (#​32027)
• Check for DAG ID in query param from url as well as kwargs (#​32014)
• Flash an error message instead of failure in rendered-templates when map index is not found (#​32011)
• Fix ExternalTaskSensor when there is no task group TIs for the current execution date (#​32009)
• Fix number param html type in trigger template (#​31980, #​31946)
• Fix masking nested variable fields (#​31964)
• Fix operator_extra_links property serialization in mapped tasks (#​31904)
• Decode old-style nested Xcom value (#​31866)
• Add a check for trailing slash in webserver base_url (#​31833)
• Fix connection uri parsing when the host includes a scheme (#​31465)
• Fix database session closing with xcom_pull and inlets (#​31128)
• Fix DAG's on_failure_callback is not invoked when task failed during testing dag. (#​30965)
• Fix airflow module version check when using ExternalPythonOperator and debug logging level (#​30367)

Misc/Internal """""""""""""

• Fix task.sensor annotation in type stub (#​31954)
• Limit Pydantic to < 2.0.0 until we solve 2.0.0 incompatibilities (#​32312)
• Fix Pydantic 2 pickiness about model definition (#​32307)

Doc only changes """"""""""""""""

• Add explanation about tag creation and cleanup (#​32406)
• Minor updates to docs (#​32369, #​32315, #​32310, #​31794)
• Clarify Listener API behavior (#​32269)
• Add information for users who ask for requirements (#​32262)
• Add links to DAGRun / DAG / Task in Templates Reference (#​32245)
• Add comment to warn off a potential wrong fix (#​32230)
• Add a note that we'll need to restart triggerer to reflect any trigger change (#​32140)
• Adding missing hyperlink to the tutorial documentation (#​32105)
• Added difference between Deferrable and Non-Deferrable Operators (#​31840)
• Add comments explaining need for special "trigger end" log message (#​31812)
• Documentation update on Plugin updates. (#​31781)
• Fix SemVer link in security documentation (#​32320)
• Update security model of Airflow (#​32098)
• Update references to restructured documentation from Airflow core (#​32282)
• Separate out advanced logging configuration (#​32131)
• Add ™ to Airflow in prominent places (#​31977)

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