Merge branch 'task/update-solr-to-7-5-3' into 'develop'

Update Solr extension to 7.5.3

See merge request t3o/ter!377
6 jobs for develop in 6 minutes and 24 seconds
Name Stage Failure
deploy-develop Deploy There is an unknown failure, please try again
  ms(18): require('/home/extension...')                                        
#4 {main}
thrown in /home/extensionsstage/ci/releases/292/vendor/composer/autoload_
alias_loader_real.php on line 16

deploy [-p|--parallel]

ERROR: Job failed: exit code 1