s/libwebp/libwebp7/

Dockerfile.debian-bookworm-hugo

@@ -4,5 +4,5 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get -qq update && \
     apt-get -qq dist-upgrade && \
-    apt-get -qq install hugo libwebp && \
+    apt-get -qq install hugo libwebp7 && \
     apt-get -qq clean