Upgrade pjdbc and netty to last versions

[moio]

What does this PR change?

It upgrades pgjdbc and its dependency, netty.

GUI diff

No difference.

• DONE

Documentation

• No documentation needed: internal only change

• DONE

Test coverage

• No tests: abundantly covered by existing suites

• DONE

Links

• DONE

Changelogs

If you don't need a changelog check, please mark this checkbox:

• No changelog needed

If you uncheck the checkbox after the PR is created, you will need to re-run changelog_test (see below)

Re-run a test

If you need to re-run a test, please mark the related checkbox, it will be unchecked automatically once it has re-run:

• Re-run test "changelog_test"
• Re-run test "backend_unittests_pgsql"
• Re-run test "java_lint_checkstyle"
• Re-run test "java_pgsql_tests"
• Re-run test "ruby_rubocop"
• Re-run test "schema_migration_test_oracle"
• Re-run test "schema_migration_test_pgsql"
• Re-run test "susemanager_unittests"
• Re-run test "javascript_lint"
• Re-run test "spacecmd_unittests"

[moio]

LInked to the following SRs:

https://build.opensuse.org/request/show/772129
https://build.opensuse.org/request/show/772127
https://build.suse.de/request/show/210975
https://build.suse.de/request/show/210973
https://build.suse.de/request/show/210972
https://build.suse.de/request/show/210970

Note that any tests are expected not to pass until those are accepted.

[juliogonzalez]

LGTM

[juliogonzalez]

Merging... we'll see on Monday.