Bump logstash/logstash from 7.5.1 to 8.6.1 in /docker/logstash#331

dependabot[bot] wants to merge 1 commit intomainaching/libra:mainfrom

dependabot/docker/docker/logstash/logstash/logstash-8.6.1aching/libra:dependabot/docker/docker/logstash/logstash/logstash-8.6.1Copy head branch name to clipboard