[fix] add pom

pom.xml

@@ -75,6 +75,8 @@
         <!--工作流配置-->
         <warm-flow.version>1.6.6</warm-flow.version>
         <geotools.version>23.2</geotools.version>
+        <!--PostgreSQL配置-->
+        <postgresql.version>42.6.2</postgresql.version>
     </properties>
 
     <profiles>
@@ -403,6 +405,12 @@
                 <artifactId>warm-flow-plugin-ui-sb-web</artifactId>
                 <version>${warm-flow.version}</version>
             </dependency>
+            <!--PostgreSQL驱动依赖-->
+            <dependency>
+                <groupId>org.postgresql</groupId>
+                <artifactId>postgresql</artifactId>
+                <version>${postgresql.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>