Merge remote-tracking branch 'upstream/develop' into virtualized-userlist

.github/PULL_REQUEST_TEMPLATE.md

SECURITY.md

bbb-common-web/project/Dependencies.scala

...on-web/src/main/java/org/bigbluebutton/api/ApiErrors.java

...b/src/main/java/org/bigbluebutton/api/MeetingService.java

...b/src/main/java/org/bigbluebutton/api/domain/Meeting.java

...uebutton/presentation/PresentationUrlDownloadService.java

...gbluebutton/presentation/imp/Office2PdfPageConverter.java

...tton/presentation/imp/OfficeDocumentConversionFilter.java

...button/presentation/imp/OfficeToPdfConversionService.java

bbb-libreoffice/assets/bbb-libreoffice.service

bbb-libreoffice/assets/libreoffice_container.sh

bbb-libreoffice/docker/Dockerfile

bbb-libreoffice/docker/bbb-libreoffice-entrypoint.sh

bbb-libreoffice/install.sh

bbb-libreoffice/uninstall.sh

bbb-lti/Dockerfile

bbb-lti/grails-app/views/tool/index.gsp

bbb-webhooks/callback_emitter.js

bbb-webhooks/config/custom-environment-variables.yml