Correct dogwrap docstrings

[liamzhang40]

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What does this PR do?

This fixes the docstrings in the wrap module

Description of the Change

dogwrap -n test-job -k $API_KEY --submit_mode all "ls -lah"

dogwrap -n test-job -k $API_KEY --submit_mode=all "ls -lah"

Alternate Designs

N/A

Possible Drawbacks

N/A

Verification Process

The correct command was run and events created in our datadog

Additional Notes

Release Notes

Review checklist (to be filled by reviewers)

• Feature or bug fix MUST have appropriate tests (unit, integration, etc...)
• PR title must be written as a CHANGELOG entry (see why)
• Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• PR must have one changelog/ label attached. If applicable it should have the backward-incompatible label attached.
• PR should not have do-not-merge/ label attached.
• If Applicable, issue must have kind/ and severity/ labels attached at least.

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