[AIRFLOW-XXX] Improve description OpenFaaS Hook (#6187)
[AIRFLOW-XXX] Improve description OpenFaaS Hook (#6187)

Co-Authored-By: Felix Uellendall <c47aec0fe006d5d9775bfe236bb1d0cd896aa580@users.noreply.github.com>
(cherry picked from commit 123147230cd4a7763698c28a77f0c2bf95ee4667)

owlabs/incubator-airflow,owlabs/incubator-airflow,owlabs/incubator-airflow,owlabs/incubator-airflow