build(deps): bump org.postgresql:postgresql from 42.7.7 to 42.7.8 (#8009)

Author: nhumblot

core/pom.xml

@@ -471,7 +471,7 @@ Copyright (c) 2012 Jeremy Long. All Rights Reserved.
                 <dependency>
                     <groupId>org.postgresql</groupId>
                     <artifactId>postgresql</artifactId>
-                    <version>42.7.7</version>
+                    <version>42.7.8</version>
                 </dependency>
             </dependencies>
             <build>