fix module id

Author: lor6

persistence-modules/jdbc/pom.xml

@@ -3,7 +3,7 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.core-java-persistence-4</groupId>
-    <artifactId>core-java-persistence-4</artifactId>
+    <artifactId>jdbc</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>jdbc</name>