export ironic and mariadb env vars coming from vars.sh

They get lost between integration test start and 02 script trying to
use them.

Signed-off-by: Tuomo Tanskanen <tuomo.tanskanen@est.tech>

jenkins/scripts/files/run_integration_tests.sh

@@ -18,6 +18,10 @@ export EPHEMERAL_TEST
 export GINKGO_FOCUS
 export GINKGO_SKIP
 export KEEP_TEST_ENV
+export IRONIC_FROM_SOURCE
+export BUILD_IRONIC_IMAGE_LOCALLY
+export IRONIC_USE_MARIADB
+export BUILD_MARIADB_IMAGE_LOCALLY
 # unsetting NUM_NODES and KUBECTL_SHA256 when it is unbound
 # in BML tests it is not passed through vars file
 export NUM_NODES="${NUM_NODES:-}"