[v3-1-test] dag_processing: initialize versioned bundles for callbacks (#52040) (#60734)

[ephraimbuddy]

• dag_processing: initialize versioned bundles for callbacks (GitDagBundle: DAG processor fails to load versioned DAGs due to missing materialized folders #52040)

• Apply suggestion from @amoghrajesh

• Apply suggestion from @amoghrajesh

• Apply suggestion from @amoghrajesh

• Add unit tests for callback handling and improve logging in Dag processing

• fix CI static checks Bring in more resolution to hivestats #2

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(cherry picked from commit cac9c0b)

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