textproc/kibana7: Update to 7.9.2

Changelog since 7.9.1:

• Enhancement
  • Machine Learning
    • Improves performance of job exists check
• Bug fixes
  • Alerting
    • Fixes alerts unable to create or update when the name has trailing whitepace
  • Machine Learning
    • Swim lane pagination for viewing by job ID
    • Fixes custom URLs processing for security app
  • Management
    • Fixes an issue in Snapshot and Restore UI where creating a policy, repository, or snapshot with a special character, like a colon, in the name would result in a 404 when viewing details or editing any of the aforementioned
    • Indices that contain the characters % { [ @ no longer cause a 405 error in Index Management
    • Fixes an issue in the snapshot and restore policy creation form that allowed a policy to be created without an index specified
    • The snapshot and restore wizard now notifies users when a policy configured with a non-existing repository is being updated and requires that the user select a new repository
    • Fixes an issue in the grok debugger where simulation error messages are not being displayed
  • Maps
    • Fixes drawing shapes in maps app broken in 7.9.1
  • Monitoring
    • Prevents edit/create for Stack Monitoring alerts in Alerts Management
    • Fixes improper lodash syntax
    • Fixes UI error when alerting is not available
  • Platform
    • Fixes bug causing multiple overrides to only show the last confirm modal
    • Fixes remoteAddress being duplicated in userAgent field
    • Fixes an issue that caused savedObject migration errors to not being displayed in the logs
    • Fixes an issue where defaultAppId redirect could fire outside home app
    • Suppresses error logs when clients connect over HTTP instead of HTTPS
  • Reporting
    • Adds back in custom images for reporting + tests
  • Security
    • Adds Lens as a readable saved object for read-only dashboard users
  • Uptime
    • Fixes alerting false positives

Release notes:
https://www.elastic.co/guide/en/kibana/7.9/release-notes-7.9.2.html

PR: 249914
Submitted by: Juraj Lutter <juraj@lutter.sk>