[hotfix] Fix convergency issue

Author: AHeise

pom.xml

@@ -50,7 +50,7 @@ under the License.
     </modules>
 
     <properties>
-        <flink.version>1.19.1</flink.version>
+        <flink.version>1.20.0</flink.version>
         <kafka.version>3.6.2</kafka.version>
         <confluent.version>7.4.4</confluent.version>
 
@@ -405,6 +405,13 @@ under the License.
                 <version>2.1</version>
             </dependency>
 
+            <!-- For dependency convergence -->
+            <dependency>
+                <groupId>org.yaml</groupId>
+                <artifactId>snakeyaml</artifactId>
+                <version>2.2</version>
+            </dependency>
+
             <!-- For dependency convergence -->
             <dependency>
                 <groupId>org.apache.commons</groupId>