Updated Java version to 17

.gitlab-ci.yml

indexer-core/pom.xml

...rg/opengroup/osdu/indexer/api/CleanupIndiciesApiTest.java

.../org/opengroup/osdu/indexer/api/RecordIndexerApiTest.java

...oup/osdu/indexer/error/GlobalExceptionMapperCoreTest.java

...a/org/opengroup/osdu/indexer/logging/JaxRsDpsLogTest.java

...osdu/indexer/service/ClusterConfigurationServiceTest.java

...group/osdu/indexer/service/IndexAliasServiceImplTest.java

...group/osdu/indexer/service/IndexerMappingServiceTest.java

...ngroup/osdu/indexer/service/IndexerSchemaServiceTest.java

...pengroup/osdu/indexer/service/IndexerServiceImplTest.java

...rg/opengroup/osdu/indexer/service/IndicesServiceTest.java

...ndexer/service/PropertyConfigurationsServiceImplTest.java

...p/osdu/indexer/service/SchemaEventsProcessorImplTest.java

...pengroup/osdu/indexer/service/SchemaProviderImplTest.java

...opengroup/osdu/indexer/service/SearchServiceImplTest.java

...group/osdu/indexer/util/BooleanFeatureFlagClientTest.java

...opengroup/osdu/indexer/util/ElasticClientHandlerTest.java

...sdu/indexer/util/geo/decimator/GeoShapeDecimatorTest.java

...sdu/indexer/util/geo/decimator/GeometryDecimatorTest.java