Fix docs Dockerfile

Author: crazy-max

hack/docs.Dockerfile

@@ -4,7 +4,7 @@ FROM squidfunk/mkdocs-material:7.2.6 AS base
 RUN apk add --no-cache \
     git \
     git-fast-import \
-    openssh \
+    openssl \
   && apk add --no-cache --virtual .build gcc musl-dev \
   && pip install --no-cache-dir \
     'lunr' \