chore(deps): update lsiobase/nginx docker tag to v3.15

This MR contains the following updates:

Package	Type	Update	Change
lsiobase/nginx	final	minor	3.14 -> 3.15

---

Configuration

Schedule: At any time (no schedule defined).

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

Rebasing: Renovate will not automatically rebase this PR, because other commits have been found.

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

---

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

---

This MR has been generated by Renovate Bot.

added dependencies label

assigned to @Griefed

mentioned in issue #2 (closed)

changed the description

approved this merge request

merged

mentioned in commit 4462a43b