[AIRFLOW-6997] Fix worker pods initcontainers

[krisgeus]

…rom config

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Issue link: AIRFLOW-6997

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[codecov-io]

Codecov Report

Merging #7663 into v1-10-test will decrease coverage by 0.38%.
The diff coverage is 100%.

@@              Coverage Diff               @@
##           v1-10-test    #7663      +/-   ##
==============================================
- Coverage       81.64%   81.26%   -0.39%     
==============================================
  Files             529      529              
  Lines           36448    36455       +7     
==============================================
- Hits            29759    29624     -135     
- Misses           6689     6831     +142

Impacted Files	Coverage Δ
airflow/contrib/kubernetes/worker_configuration.py	96.47% <100%> (+0.05%)	⬆️
airflow/contrib/kubernetes/volume_mount.py	33.33% <0%> (-66.67%)	⬇️
airflow/contrib/kubernetes/volume.py	50% <0%> (-50%)	⬇️
airflow/contrib/kubernetes/pod_launcher.py	45.11% <0%> (-47.37%)	⬇️
airflow/contrib/kubernetes/pod_generator.py	42.5% <0%> (-45%)	⬇️
...rflow/contrib/operators/kubernetes_pod_operator.py	56.84% <0%> (-40.01%)	⬇️
airflow/contrib/kubernetes/refresh_config.py	50.98% <0%> (-23.53%)	⬇️
airflow/contrib/kubernetes/pod.py	95.83% <0%> (-4.17%)	⬇️
...etes_request_factory/kubernetes_request_factory.py	99.13% <0%> (-0.87%)	⬇️
airflow/models/taskinstance.py	93.01% <0%> (-0.48%)	⬇️
... and 2 more

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[Fokko]

LGTM

@dimberman Any final thoughts?

[dimberman]

@Fokko lgtm!

[boring-cyborg]

Awesome work, congrats on your first merged pull request!

[Fokko]

Thanks @krisgeus for the PR 👍