fix: pkg: do not create bogus `{cache,views,sessions}` directory in prod export

Dockerfile

@@ -85,7 +85,7 @@ RUN apk add --no-cache xz
 COPY --from=phpdeps /app /app
 
 # ensure required runtime dirs exist (empty is fine)
-RUN mkdir -p storage/framework/{cache,views,sessions} bootstrap/cache
+RUN mkdir -p storage/framework/cache storage/framework/views storage/framework/sessions bootstrap/cache
 # create artifact (use tar + xz so we don't depend on GNU tar -J)
 RUN mkdir -p /out \
  && tar -C /app -cf /out/app.tar \