make apk/apt update quiter

dockerfiles/alpine.Dockerfile

@@ -4,7 +4,7 @@ FROM docker.io/library/ruby:${RUBY_VERSION}-alpine AS base
 WORKDIR /app
 
 RUN <<EOT
-  apk update
+  apk update -q
   apk add bash
   gem update --system --no-document
   gem install -N bundler

dockerfiles/bookworm.Dockerfile

@@ -4,7 +4,7 @@ FROM docker.io/library/ruby:${RUBY_VERSION}-slim-bookworm AS base
 WORKDIR /app
 
 RUN <<EOT
-  apt-get update
+  apt-get update -qq
   gem update --system --no-document
   gem install -N bundler
 EOT
@@ -16,6 +16,7 @@ ENV BUNDLE_DEPLOYMENT=true \
   BUNDLE_WITHOUT="development test"
 
 RUN <<EOT
+  apt-get update -qq
   apt-get install --yes --no-install-recommends gcc make libc-dev
 EOT