php8.2: Handling HTML entities via mbstring is deprecated at /news/lib/Fetcher/FeedFetcher.php#319

[uncovery]

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Explain the Problem

What problem did you encounter?

Steps to Reproduce

look at the logfile

System Information

• News app version: 25.0.0.aplha4
• Nextcloud version: 28.0.3
• Cron type: system cron
• PHP version: 8.2
• OS and version: Almalinux 9

Contents of nextcloud/data/nextcloud.log

```json {"reqId":"pPJ4srmH83A0Yr3nDsmW","level":0,"time":"2024-03-08T16:20:13+00:00","remoteAddr":"","user":"--","app":"PHP","method":"","url":"--","message":"mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead at /var/www/nextcloud/public_html/apps/news/lib/Fetcher/FeedFetcher.php#319","userAgent":"--","version":"28.0.3.2","data":{"app":"PHP"}} ```

[Grotax]

Hi we can't fix this at the moment. We would need to upgrade feed-io and drop support for older php versions.