Merge pull request oap-project#408 from minmingzhu/fix_pom

[ML-409] Fix pom

Author: minmingzhu

mllib-dal/pom.xml

@@ -192,7 +192,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.13.4.2 </version>
+      <version>2.12.3</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>