Merge pull request #573 from apereo/renovate/postgresql.version

renovatebot(deps): update dependency org.postgresql:postgresql to v42.7.3

pom.xml

@@ -64,7 +64,7 @@
         <commons-lang.version>3.14.0</commons-lang.version>
         <easymock.version>5.2.0</easymock.version>
         <hsqldb.version>1.8.0.10</hsqldb.version>
-        <postgresql.version>42.7.2</postgresql.version>
+        <postgresql.version>42.7.3</postgresql.version>
         <junit.version>5.10.2</junit.version>
         <log4j.version>2.23.1</log4j.version>
         <slf4j.version>2.0.12</slf4j.version>