[e2e] upgrade the flink-sql-connector-kafka version (apache#4881)

Author: yangjf2019

paimon-e2e-tests/pom.xml

@@ -297,6 +297,7 @@ under the License.
             <properties>
                 <test.flink.main.version>1.19</test.flink.main.version>
                 <test.flink.version>1.19.1</test.flink.version>
+                <test.flink.connector.kafka.version>3.2.0-${test.flink.main.version}</test.flink.connector.kafka.version>
                 <flink.sql.connector.hive>flink-sql-connector-hive-2.3.9_${scala.binary.version}</flink.sql.connector.hive>
             </properties>
         </profile>
@@ -306,6 +307,7 @@ under the License.
             <properties>
                 <test.flink.main.version>1.18</test.flink.main.version>
                 <test.flink.version>1.18.1</test.flink.version>
+                <test.flink.connector.kafka.version>3.0.1-${test.flink.main.version}</test.flink.connector.kafka.version>
                 <flink.sql.connector.hive>flink-sql-connector-hive-2.3.9_${scala.binary.version}</flink.sql.connector.hive>
             </properties>
         </profile>

pom.xml

@@ -112,8 +112,7 @@ under the License.
         <test.unit.pattern>**/*Test.*</test.unit.pattern>
         <test.flink.main.version>1.20</test.flink.main.version>
         <test.flink.version>1.20.0</test.flink.version>
-        <!-- TODO upgrade after connector releases x-1.19 version -->
-        <test.flink.connector.kafka.version>3.0.1-1.18</test.flink.connector.kafka.version>
+        <test.flink.connector.kafka.version>3.4.0-1.20</test.flink.connector.kafka.version>
         <test.mysql.connector.java.version>8.0.27</test.mysql.connector.java.version>
 
         <!-- spark profile properties-->