Openfire Monitoring Plugin 2.6.0

What's Changed

• Remove unneeded authfilter & release by @guusdk in #360
• fixes #367: Change maven repo for JRobin by @guusdk in #368
• fixes #249: Prevent continuous rebuild of Lucene index being reported by @guusdk in #380
• fixes #377: Remove erroneous index confirmation message by @guusdk in #379
• Oracle database query fixes (rebased) by @guusdk in #382
• Updates for file src/i18n/monitoring_i18n.properties in zh_CN by @transifex-integration in #385
• Updates for file src/i18n/monitoringservice_i18n.properties in zh_CN by @transifex-integration in #386
• Fix compatibility issue with Openfire 4.9.0 by @guusdk in #388
• 💚 [CI] upload for java 11 by @akrherz in #389

Full Changelog: v2.5.0...v2.6.0