Upgrading PostgreSQL JDBC driver

Author: ilgrosso

pom.xml

@@ -507,7 +507,7 @@ under the License.
     <docker.mysql.version>8.0</docker.mysql.version>
     <docker.mariadb.version>11</docker.mariadb.version>
 
-    <jdbc.postgresql.version>42.7.8</jdbc.postgresql.version>
+    <jdbc.postgresql.version>42.7.9</jdbc.postgresql.version>
     <jdbc.mysql.version>9.5.0</jdbc.mysql.version>
     <jdbc.mariadb.version>3.5.7</jdbc.mariadb.version>
     <jdbc.mssql.version>12.6.1.jre11</jdbc.mssql.version>