feat: config migration and graph repo client #556

Job	Run time
Build default builder image	1m 12s
Integration tests (maven, integrationtests.ConfigEnvironmentTest)	8m 36s
Integration tests (maven, integrationtests.ConfigFileTest)	7m 19s
Integration tests (maven, integrationtests.ConfigLookupTest)	7m 44s
Integration tests (maven, integrationtests.GeoToolsTest)	9m 13s
Integration tests (maven, integrationtests.GraphRepoTest)	12m 4s
Integration tests (jar, integrationtests.ConfigEnvironmentTest)	9m 14s
Integration tests (jar, integrationtests.ConfigFileTest)	6m 17s
Integration tests (jar, integrationtests.ConfigLookupTest)	9m 38s
Integration tests (jar, integrationtests.GeoToolsTest)	6m 17s
Integration tests (jar, integrationtests.GraphRepoTest)	10m 4s
Integration tests (war, integrationtests.ConfigEnvironmentTest)	7m 0s
Integration tests (war, integrationtests.ConfigFileTest)	10m 13s
Integration tests (war, integrationtests.ConfigLookupTest)	6m 59s
Integration tests (war, integrationtests.GeoToolsTest)	6m 13s
Integration tests (war, integrationtests.GraphRepoTest)	12m 1s
	2h 10m 4s

Provide feedback