Force Ruby to actually install arm deps

Author: thespad

Dockerfile.aarch64

@@ -53,6 +53,7 @@ RUN \
   bundle config set --local deployment 'true' && \
   bundle config set --local without 'development test' && \
   bundle config set silence_root_warning true && \
+  bundle config set force_ruby_platform true && \
   bundle install -j"$(nproc)" && \
   yarn install --pure-lockfile && \
   OTP_SECRET=precompile_placeholder SECRET_KEY_BASE=precompile_placeholder rails assets:precompile && \