Update dependency org.postgresql:postgresql to v42.7.3

pom.xml

@@ -180,7 +180,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.7.1</version>
+            <version>42.7.3</version>
             <scope>provided</scope>
         </dependency>
         <dependency>