Merge pull request #13 from aiven/jdbc

Bump postgresql jdbc to 42.3.3

Author: ftisiot

sql-client/Dockerfile

@@ -32,7 +32,7 @@ RUN mkdir -p /opt/sql-client/lib
 RUN wget -P /opt/sql-client/lib/ https://repo.maven.apache.org/maven2/org/apache/flink/flink-sql-connector-elasticsearch7_2.12/1.14.3/flink-sql-connector-elasticsearch7_2.12-1.14.3.jar; \
     wget -P /opt/sql-client/lib/ https://repo.maven.apache.org/maven2/org/apache/flink/flink-sql-connector-kafka_2.12/1.14.3/flink-sql-connector-kafka_2.12-1.14.3.jar; \
     wget -P /opt/sql-client/lib/ https://repo.maven.apache.org/maven2/org/apache/flink/flink-connector-jdbc_2.12/1.14.3/flink-connector-jdbc_2.12-1.14.3.jar; \
-    wget -P /opt/sql-client/lib/ https://jdbc.postgresql.org/download/postgresql-42.2.19.jre6.jar; \
+    wget -P /opt/sql-client/lib/ https://jdbc.postgresql.org/download/postgresql-42.3.3.jre6.jar; \
     wget -P /opt/sql-client/lib/ https://repo.maven.apache.org/maven2/org/apache/flink/flink-sql-avro-confluent-registry/1.14.3/flink-sql-avro-confluent-registry-1.14.3.jar; \
     wget -P /opt/sql-client/lib/ https://github.com/knaufk/flink-faker/releases/download/v0.4.1/flink-faker-0.4.1.jar;