Update dependency pg to v8.21.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pg (source)	8.16.0 → 8.21.0

---

Release Notes

brianc/node-postgres (pg)

v8.21.0

Compare Source

• Handle SASL SCRAM server error responses properly.
• Add support for node@26.
• Add scramMaxIterations config option.
• Add client.getTransactionStatus() method.

v8.20.0

Compare Source

• Add onConnect callback to pg.Pool constructor options allowing for async initialization of newly created & connected pooled clients.

v8.19.0

Compare Source

• Deprecate interal query queue.
• Pass connection parameters to password callback.

v8.18.0

Compare Source

• Return the client instance as the result of calling connect (previously it was void).

v8.17.2

Compare Source

v8.17.1

Compare Source

v8.17.0

Compare Source

• Throw correct error if database URL parsing fails.

v8.16.3

Compare Source

v8.16.2

Compare Source

v8.16.1

Compare Source

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, 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, check this box

---

This PR was generated by Mend Renovate. View the repository job log.