Java: Resolve postgresql version (#2928)

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Co-authored-by: joe-braley <[email protected]>

Author: joe-braley

java/connectors/semantickernel-connectors-memory-postgresql/pom.xml

@@ -40,7 +40,6 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>LATEST</version>
         </dependency>
 
         <dependency>

java/semantickernel-bom/pom.xml

@@ -155,6 +155,12 @@
                 <artifactId>sqlite-jdbc</artifactId>
                 <version>3.42.0.0</version>
             </dependency>
+
+            <dependency>
+                <groupId>org.postgresql</groupId>
+                <artifactId>postgresql</artifactId>
+                <version>42.6.0</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>