Merge branch '439-security-team-notice' into 'develop'

[FEATURE] Add Security Team Notice

Closes #439

See merge request !468
5 jobs for 440-update-environment-to-9-5-14 in 4 minutes and 8 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #17924
test:php

00:00:33

passed #17923
allowed to fail
test:typoscript

00:00:38

passed #17925
test:unit

00:00:43

 
  Build
passed #17926
build

00:00:46

 
  Layout
passed #17927
layout

00:02:37