Update dependency nodemailer to v6.9.11

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nodemailer (source)	6.9.8 -> 6.9.11

---

Release Notes

nodemailer/nodemailer (nodemailer)

v6.9.11

Compare Source

Bug Fixes

• headers: Ensure that Content-type is the bottom header (c7cf97e)

v6.9.10

Compare Source

Bug Fixes

• data-uri: Do not use regular expressions for parsing data URI schemes (12e65e9)
• data-uri: Moved all data-uri regexes to use the non-regex parseDataUri method (edd5dfe)

v6.9.9

Compare Source

Bug Fixes

• security: Fix issues described in GHSA-9h6g-pr28-7cqp. Do not use eternal matching pattern if only a few occurences are expected (dd8f5e8)
• tests: Use native node test runner, added code coverage support, removed grunt (#​1604) (be45c1b)

---

Configuration

📅 Schedule: Branch creation - "after 9pm on sunday" in timezone Europe/Helsinki, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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, check this box

---

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