chore(deps): update wordpress docker tag to v7.0.2 (#72)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| wordpress | patch | `7.0.0` -> `7.0.2` |

---

### 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 becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

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

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xNzMuMSIsInVwZGF0ZWRJblZlciI6IjQxLjE3My4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Reviewed-on: #72
Co-authored-by: Renovate Bot <renovate@coopcloud.tech>
Co-committed-by: Renovate Bot <renovate@coopcloud.tech>

compose.selfmanaged.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: "wordpress:7.0.0"
+    image: "wordpress:7.0.2"
     volumes:
       - "wordpress:/var/www/html/"
     environment:

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: "wordpress:7.0.0"
+    image: "wordpress:7.0.2"
     volumes:
       - "wordpress_content:/var/www/html/wp-content/"
     networks: