Update PosgreSQL JDBC driver to 42.7.8

Author: Akanksha-kedia

gateway-ha/pom.xml

@@ -319,7 +319,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.7.7</version>
+            <version>42.7.8</version>
             <scope>runtime</scope>
         </dependency>