Merge branch 'task/add-code-coverage' into 'develop'

Update unit test config and GitLab CI job to show code coverage

See merge request t3o/ter!572
8 jobs for develop in 7 minutes and 12 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Maintenance
manual #23482
allowed to fail manual
Get dump for local environment
 
  Test
passed #23485
test:composer

00:01:52

passed #23484
test:php

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passed #23483
test:typoscript

00:01:41

passed #23486
test:unit

00:03:02

9.95%
 
  Build
passed #23487
build

00:01:08

 
  Layout
passed #23488
layout

00:01:30

 
  Deploy
passed #23489
deploy-develop

00:01:30