Release/20.24.0

Changelog: https://gitlab.com/gitlab-org/gitter/webapp/-/blob/develop/CHANGELOG.md#20240-2020-05-06

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20.24.0 - 2020-05-06

• Add accessible labels to the left-menu menu bar buttons, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1837
• Add documentation details on needing to be signed in with GitLab to create GitLab based community/room, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1851
• Update Gitter support room links in docs after rename, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1855
• Add accessible list attributes to chat message items for easier navigation, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1856
• In App announcements, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1850

Developer facing:

• Set default tags in CI config, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1847
• Absorb @gitterhq/translations npm module (including history), https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1846
• Fix assertions in OAuth clients test, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1849
• Add utility script to delete stuck mention, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1840
• Small left menu improvements, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1853
• Add stats for when someone opens the read by popover, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1854
• Revert back to Debian/Ubuntu based image so Cypress e2e test dependencies are available, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1859
• Fix e2e create room tests, https://gitlab.com/gitlab-org/gitter/webapp/-/merge_requests/1861