[CCDB-5300] Upgrade postgresql to 42.4.3

[sp-gupta]

Problem

Vulnerable dependency "postgresql" for kafka-connect-jdbc CVE: https://confluentinc.atlassian.net/browse/CCDB-5300

Solution

Upgrade postgresql to 42.4.3 as per here. Checked that postgresql 42.4.x is available from branch 5.0.x onwards Will do ping merge after PR merge

Does this solution apply anywhere else?

• [ ] yes
• [x] no

If yes, where?

Test Strategy

mvn dependency:tree output

[INFO] +- org.xerial:sqlite-jdbc:jar:3.25.2:runtime
[INFO] +- org.postgresql:postgresql:jar:42.4.3:runtime
[INFO] |  \- org.checkerframework:checker-qual:jar:3.5.0:runtime
[INFO] +- com.oracle.database.jdbc:ojdbc8-production:pom:19.7.0.0:runtime
[INFO] |  +- com.oracle.database.jdbc:ojdbc8:jar:19.7.0.0:runtime

Testing done:

• [ ] Unit tests
• [ ] Integration tests
• [ ] System tests
• [ ] Manual tests

Release Plan

[CCDB-5300]: https://confluentinc.atlassian.net/browse/CCDB-5300?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

[sp-gupta]

LGTM. Please test with docker-playground.

Thanks Parag for the suggestion. I have checked with docker playground. The postgres data is getting ingested to the topic via jdbc source connector.