[CALCITE-3098] Upgrade SQLLine to 1.8.0

Author: julianhyde

pom.xml

@@ -136,7 +136,7 @@ limitations under the License.
     <slf4j.version>1.7.25</slf4j.version>
     <log4j2.version>2.11.0</log4j2.version>
     <spark.version>2.2.0</spark.version>
-    <sqlline.version>1.7.0</sqlline.version>
+    <sqlline.version>1.8.0</sqlline.version>
     <tpcds.version>1.2</tpcds.version>
     <xalan.version>2.7.1</xalan.version>
     <xerces.version>2.9.1</xerces.version>