update docs (#47791)

(cherry picked from commit 56a35a9)

# Conflicts:
#	docs/reference/auditbeat/elasticsearch-output.md
#	docs/reference/filebeat/elasticsearch-output.md
#	docs/reference/heartbeat/elasticsearch-output.md
#	docs/reference/metricbeat/elasticsearch-output.md
#	docs/reference/packetbeat/elasticsearch-output.md
#	docs/reference/winlogbeat/elasticsearch-output.md

Author: VihasMakwana