Updated to postgresql-42.7.3

pom.xml

@@ -529,7 +529,7 @@ along with aoserv-daemon.  If not, see <https://www.gnu.org/licenses/>.
         <groupId>com.mysql</groupId><artifactId>mysql-connector-j</artifactId><version>8.3.0</version>
       </dependency>
       <dependency>
-        <groupId>org.postgresql</groupId><artifactId>postgresql</artifactId><version>42.7.2</version>
+        <groupId>org.postgresql</groupId><artifactId>postgresql</artifactId><version>42.7.3</version>
       </dependency>
       <!-- Runtime Transitive -->
       <dependency>