chore: replace deprecated settings

Author: shinsenter

docker-compose.yml

@@ -124,9 +124,9 @@ services:
       IMGPROXY_PNG_QUANTIZATION_COLORS: 256
       IMGPROXY_PNG_QUANTIZE: false
       IMGPROXY_AVIF_SPEED: 9
-      IMGPROXY_ENABLE_AVIF_DETECTION: false
+      IMGPROXY_AUTO_AVIF: false
       IMGPROXY_ENFORCE_AVIF: false
-      IMGPROXY_ENABLE_WEBP_DETECTION: false
+      IMGPROXY_AUTO_WEBP: false
       IMGPROXY_ENFORCE_WEBP: false
 
       ### Preferred formats