V8.9.0

Release 342

Bug Fixes

• [#11601] Outdated link in Solr documentation (@Hardik27)

DevOps/Build-related

• [#11611] Use Firefox 96 in E2E tests (@samuelfangjw)

Other Tasks

• [#11616] [#11610] Update front page data + remove usermap page (@wkurniawan07)
• [#11509] Update Angular to 12 (@wkurniawan07)
• [#11608] Update back-end dependencies (@wkurniawan07)