Doc: Logstash 8.17.4 release docs

[karenzone]

Logstash release manager: @andsel
Logstash tech writer: @karenzone
Docs release manager: @natasha-moore-elastic

Logstash release docs

• Release notes: Release notes for 8.17.4 #17379
  • Add link to docs release issue: https://github.com/elastic/dev/issues/3073
  • Verify that release notes PR is forwardported to 8.x and 8.18
• Update plugin docs: updated docs for 8.17 logstash-docs#1823
  • Bump lock file