Add regression test action; add test data#60

kad-korpem merged 6 commits intomapserver_8.0.x_upgradePDOK/mapserver-docker:mapserver_8.0.x_upgradefrom

mapserver_8.0.x_upgrade_regressiontestPDOK/mapserver-docker:mapserver_8.0.x_upgrade_regressiontestCopy head branch name to clipboard