Update dependency org.postgresql:postgresql to v42.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.postgresql:postgresql (source)	42.3.4 -> 42.4.0

---

Release Notes

pgjdbc/pgjdbc

v42.4.0

Changed

• fix: added GROUP_STARTUP_PARAMETERS boolean property to determine whether or not to group
  startup parameters in a transaction (default=false like 42.2.x) fixes Issue #​2425
  pgbouncer cannot deal with transactions in statement pooling mode PR #​2425

Fixed

• fix: queries with up to 65535 (inclusive) parameters are supported now (previous limit was 32767)
  PR #​2525, Issue #​1311
• fix: workaround JarIndex parsing issue by using groupId/artifactId-version directory namings.
  Regression since 42.2.13. PR #​2531, issue #​2527
• fix: use Locale.ROOT for toUpperCase() toLowerCase() calls
• doc: add Vladimir Sitnikov's PGP key
• fix: return correct base type for domain from getUDTs PR #​2520 Issue #​2522
• perf: utcTz static and renamed to UTC_TIMEZONE PR #​2519
• doc: fix release version for #​2377 (it should be 42.3.6, not 42.3.5)

v42.3.6

Changed

Added

Fixed

• fix: close refcursors when underlying cursor==null instead of relying on defaultRowFetchSize PR #​2377

v42.3.5

Changed

• test: polish TimestampUtilsTest
• chore: use GitHub Action concurrency feature to terminate CI jobs on fast PR pushes

Added

• Added KEYS file to allow for verifying artifacts PR 2499

Fixed

• perf: enable tcpNoDelay by default PR 2495.
  This is a regression from 42.2.x versions where tcpNoDelay defaulted to true
• docs: fix readme.md after PR 2495 PR 2496
• feat: targetServerType=preferPrimary connection parameter PR 2483
• fix: revert removal of toOffsetDateTime(String timestamp) fixes Issue #​2497 PR 2501

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled due to failing status checks.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by Mend Renovate. View repository job log here.