chore(deps): update docker.io/kubeovn/kube-ovn docker tag to v1.15.0 (master)

[renovate]

This PR contains the following updates:

Package	Update	Change
docker.io/kubeovn/kube-ovn	minor	v1.14.0 -> v1.15.0

---

Configuration

📅 Schedule: Branch creation - Between 03:00 PM and 11:59 PM ( * 15-23 * * * ) (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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.

[coveralls]

Pull Request Test Coverage Report for Build 15889125185

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 21.52%

---

Totals
Change from base Build 15868610181:	0.0%
Covered Lines:	10479
Relevant Lines:	48694

---

💛 - Coveralls