[AIRFLOW-XXX] Fix sensors constructor parameters docs

[mik-laj]

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Jira

• My PR addresses the following Airflow Jira issues and references them in the PR title. For example, "[AIRFLOW-XXX] My Airflow PR"
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Tests

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Code Quality

• Passes flake8

[mik-laj]

Sorry for that, but this file contains invalid end-of-line characters.
Diff by characters is available:

[potiuk]

No worries @mik-laj . In Github interface you can enable "Hide whitespace changes" then the change is easily reviewable.