Bump postgresql from 42.2.5 to 42.3.3

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.2.5 to 42.3.3.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.2.5...REL42.3.3)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -30,7 +30,7 @@
         <mysql.version>5.1.34</mysql.version>
         <flink.version>1.9.0</flink.version>
         <fastjson.version>1.2.56</fastjson.version>
-        <postgresql-jdbc.version>42.2.5</postgresql-jdbc.version>
+        <postgresql-jdbc.version>42.3.3</postgresql-jdbc.version>
         <druid.version>1.1.21</druid.version>
         <lombok.version>1.16.20</lombok.version>
         <spring.boot.version>2.1.7.RELEASE</spring.boot.version>