Update goharbor/nginx-photon Docker tag to v2.14.0 (#1500)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| goharbor/nginx-photon | minor | `v2.13.2` -> `v2.14.0` |

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### Configuration

📅 **Schedule**: 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.

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 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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Reviewed-on: #1500
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/services/harbor/values.yaml

@@ -34,7 +34,7 @@ harbor:
   nginx:
     image:
       repository: goharbor/nginx-photon
-      tag: v2.13.2
+      tag: v2.14.0
     replicas: 0
   portal:
     image: