Updated org.postgresql.postgresql to 42.7.8 [skip ci]

Author: ankane

pom.xml

@@ -45,7 +45,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.7.3</version>
+            <version>42.7.8</version>
         </dependency>
         <dependency>
             <groupId>org.scala-lang</groupId>