[AIRFLOW-7041] make bowler dependency local

[potiuk]

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Issue link: AIRFLOW-7041

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• Description above provides context of the change
• Commit message/PR title starts with [AIRFLOW-NNNN]. AIRFLOW-NNNN = JIRA ID^*
• Unit tests coverage for changes (not needed for documentation changes)
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In case of fundamental code change, Airflow Improvement Proposal (AIP) is needed.
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In case of backwards incompatible changes please leave a note in UPDATING.md.
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[codecov-io]

Codecov Report

Merging #7691 into master will decrease coverage by 25.97%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #7691       +/-   ##
===========================================
- Coverage   86.98%   61.00%   -25.98%     
===========================================
  Files         904      904               
  Lines       43736    43736               
===========================================
- Hits        38045    26683    -11362     
- Misses       5691    17053    +11362     

Impacted Files	Coverage Δ
airflow/providers/oracle/hooks/oracle.py	9.40% <0.00%> (-86.33%)	⬇️
airflow/providers/apache/sqoop/hooks/sqoop.py	11.61% <0.00%> (-83.88%)	⬇️
airflow/providers/apache/spark/hooks/spark_jdbc.py	10.34% <0.00%> (-81.61%)	⬇️
airflow/providers/slack/hooks/slack_webhook.py	16.66% <0.00%> (-79.17%)	⬇️
...flow/providers/apache/hive/operators/hive_stats.py	21.33% <0.00%> (-78.67%)	⬇️
airflow/providers/google/cloud/hooks/dlp.py	20.93% <0.00%> (-77.62%)	⬇️
airflow/providers/google/suite/hooks/drive.py	22.91% <0.00%> (-77.09%)	⬇️
airflow/providers/apache/pig/hooks/pig.py	18.60% <0.00%> (-76.75%)	⬇️
airflow/providers/apache/spark/hooks/spark_sql.py	13.63% <0.00%> (-75.76%)	⬇️
...rflow/providers/apache/spark/hooks/spark_submit.py	9.19% <0.00%> (-75.48%)	⬇️
... and 294 more

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