Run offline-to-online ingestion job on EMR

[oavdeev]

What this PR does / why we need it:
This code runs the spark job on EMR. It also add a CLI command to kick off the job for debugging, but I expect this code will primarily be run by the upcoming job service (mainly because it requires a non-trivial amount of configuration).

[feast-ci-bot]

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[woop]

/ok-to-test

[oavdeev]

/kind feature

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: oavdeev, pyalex

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[pyalex]

/lgtm