Backport any changes around airflow config update/lint to 2.11

[sunank200]

Description

• Backport any changes around airflow config update/lint to 2.11

Use case/motivation

No response

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[sunank200]

PR to backport:

• Fix Legacy configuration not removed or updated #46544
• Add allow_trigger_in_future config removal to airflow config lint check #46667
• Add a CLI command airflow config update to update the config changes from airflow 2.x to 3.  #48403
• Add mapping for deprecated default value for executor in core section #48800
• Update airflow config update to show breaking config changes by default #49223

[sunank200]

Created the PR: #50353

[kaxil]

Closed by #50353