docs: refine job definition for DAU workflows

[michaeladler]

Description

This commit clarifies the schema of the job definition for device artifact update workflows. It also makes the documentation a little more concise.

Issues Addressed

List and link all the issues addressed by this PR.

Change Type

Please select the relevant options:

• Bug fix (non-breaking change that resolves an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• I have read the CONTRIBUTING document.
• My changes adhere to the established code style, patterns, and best practices.
• I have added tests that demonstrate the effectiveness of my changes.
• I have updated the documentation accordingly (if applicable).
• I have added an entry in the CHANGELOG to document my changes (if applicable).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cca9bd6) 82.73% compared to head (2c0dc54) 82.73%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #123   +/-   ##
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  Coverage   82.73%   82.73%           
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  Files         100      100           
  Lines        4385     4385           
=======================================
  Hits         3628     3628           
  Misses        548      548           
  Partials      209      209           

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