update with project-syncing action

Author: github-actions

appdev.rails8.Dockerfile

@@ -59,7 +59,7 @@ WORKDIR /rails-template
 COPY --chown=student:student Gemfile Gemfile.lock /rails-template/
 RUN /bin/bash -l -c "bundle config set --local path '/home/student/.bundle' && bundle install" \
     # Install postgresql 16
-    && sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt `lsb_release -cs`-pgdg main" > /etc/apt/sources.list.d/pgdg.list' \
+    && sudo sh -c 'echo "deb https://apt-archive.postgresql.org/pub/repos/apt focal-pgdg main" > /etc/apt/sources.list.d/pgdg.list' \
     && wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add - \
     && sudo apt-get update \
     && sudo apt-get install -y postgresql-16 postgresql-contrib-16