v0.11.0 Release notes

Notable changes:

1. This is last branch that support MongoDB
2. Ruby 4.0.5
3. RubyGems 4.0.13
4. Bundler 4.0.13
5. Rails 8.1.3
6. Drop JRuby support
7. Remove Gtalk notification service (#2517). Gtalk is dead.
8. Remove HipChat notification service (#2524). HipChat is dead.
9. Drop support for MongoDB 4.0, 4.2, 4.4, 5.0 and 6.0.
10. Add support for MongoDB 8.2.
11. Dockerfile.alpine removed. We don't want to support two docker builds.

Fixes:

1. Fix API JSON serialization for Mongoid documents (PR [#2597]) by @elektronaut
2. Fix ResolvedProblemClearer. Compact can fail (second case for [#1551]). PR [#1905].

Changes:

1. Migrate app/views/**/*.haml.erb to app/views/**/*.html.erb. Thanks, @ramonetorres. (#1853)
2. Strict locals for ActionView (#1889, [#1897]).
3. Add GitHub Action for Bundler Audit (#1901).
4. Replace Fabrication with FactoryBot (#1862).
5. Replace outdated ri_cal gem with icalendar (#2407).
6. Replace outdated rushover gem with pushover2 (#1852).
7. Start integrating pundit gem. From, only admin users can see all users.
8. Add Brakeman GitHub Action.
9. Add .editorconfig
10. Integrate Trivy for container image scanning.
11. Deprecated sucker_punch gem was removed. Active Job is uses async queue adapter instead.
12. Remove dead assets for gtalk: app/assets/images/gtalk_create.png, app/assets/images/gtalk_goto.png and app/assets/images/gtalk_inactive.png.
13. Remove dead assets for hipchat: app/assets/images/hipchat_create.png, app/assets/images/hipchat_goto.png and app/assets/images/hipchat_inactive.png.
14. Add mailer previews.