[dagster-airlift] Migrate complete to assets_with_task_mappings

[schrockn]

Summary & Motivation

As title

How I Tested These Changes

BK

Changelog

NOCHANGELOG

[schrockn]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• [dagster-airlift] Update README.md with new tutorial code that is not Definitions-construction-centric #25103
• [dagster-airlift] Move standalone.py away from Definitions-centric appraoch #25102
• [dagster-airlift] Do not use Definitions.merge in peer_with_check #25101
• [dagster-airlift] Move migrate_with_check.py away from Definitions-centric construction approach #25100
• [dagster-airlift] Move migrate.py in tutorial_example away from Definitions-centric construction #25099
• [dagster-airlift] Move observe.py in tutorial_example away from Definitions-centric pattern #25098
• [dagster-airlift] Migrate complete.py in dbt-example away from Definitions pattern #25097
• [dagster-airlift] Migrate complete to assets_with_task_mappings #25095 👈
• [dagster-airlift] Convert observe_with_check to use traditional Definitions construction #25082
• [dagster-airlift] Introduce asset_with_task_mapping and use the to divorce from Definitions-centric construction in airlift examples #25081
• master

This stack of pull requests is managed by Graphite. Learn more about stacking.

Join @schrockn and the rest of your teammates on Graphite