Update dependency apache-airflow to v2.7.0

This MR contains the following updates:

Package	Update	Change
apache-airflow (source)	minor	2.6.3 -> 2.7.0
apache-airflow (source)	minor	==2.6.3 -> ==2.7.0

---

⚠ Dependency Lookup Warnings ⚠

Warnings were logged while processing this repo. Please check the logs for more information.

---

Release Notes

apache/airflow

v2.7.0

Compare Source

---

Configuration

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

🚦 Automerge: Enabled.

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

🔕 Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.