Update ghcr.io/traefik/traefik Docker tag to v3.6.0 (#2007)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [ghcr.io/traefik/traefik](https://hub.docker.com/_/traefik) ([source](https://github.com/traefik/traefik-library-image)) | minor | `v3.5.4` -> `v3.6.0` |

---

### Release Notes

<details>
<summary>traefik/traefik-library-image (ghcr.io/traefik/traefik)</summary>

### [`v3.6.0`](https://github.com/traefik/traefik-library-image/compare/v3.6.0...v3.6.0)

[Compare Source](https://github.com/traefik/traefik-library-image/compare/v3.6.0...v3.6.0)

### [`v3.6.0`](https://github.com/traefik/traefik-library-image/compare/v3.5.6...v3.6.0)

[Compare Source](https://github.com/traefik/traefik-library-image/compare/v3.5.6...v3.6.0)

### [`v3.5.6`](https://github.com/traefik/traefik-library-image/compare/v3.5.6...v3.5.6)

[Compare Source](https://github.com/traefik/traefik-library-image/compare/v3.5.6...v3.5.6)

### [`v3.5.6`](https://github.com/traefik/traefik-library-image/compare/v3.5.4...v3.5.6)

[Compare Source](https://github.com/traefik/traefik-library-image/compare/v3.5.4...v3.5.6)

</details>

---

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---

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---

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Reviewed-on: #2007
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Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

hosts/ps08rp/traefik/compose.yaml

@@ -1,7 +1,7 @@
 ---
 services:
     traefik:
-        image: ghcr.io/traefik/traefik:v3.5.4
+        image: ghcr.io/traefik/traefik:v3.6.0
         container_name: traefik
         command:
             - "--global.checkNewVersion=false"

hosts/ps09rp/traefik/compose.yaml

@@ -1,7 +1,7 @@
 ---
 services:
     traefik:
-        image: ghcr.io/traefik/traefik:v3.5.4
+        image: ghcr.io/traefik/traefik:v3.6.0
         container_name: traefik
         command:
             - "--global.checkNewVersion=false"

hosts/ps10rp/traefik/compose.yaml

@@ -20,7 +20,7 @@ services:
             - /dev/net/tun:/dev/net/tun
 
     traefik:
-        image: ghcr.io/traefik/traefik:v3.5.4
+        image: ghcr.io/traefik/traefik:v3.6.0
         container_name: traefik
         command:
             - "--global.checkNewVersion=false"