Logstash 9.2.0 release docs

[karenzone]

Logstash release manager:
Docs release manager:
Docs release PR:

Logstash release notes

• Logstash release notes PR: Release notes for 9.2.0 logstash#18313

Logstash plugin docs

• Update plugin docs: updated docs for 9.2 (9.2.0 release) logstash-docs#1933

Follow up to fix release notes and add known issue

• Logstash 9.2.0 release notes updates logstash#18360
• Add PQ unable to start in 9.2.0 known issue logstash#18369