New upstream version 5.3.0

.ruby-version

CHANGELOG.md

README.md

cluster/README.md

cluster/bin/console

cluster/lib/redis/cluster.rb

cluster/lib/redis/cluster/client.rb

cluster/lib/redis/cluster/transaction_adapter.rb

cluster/redis-clustering.gemspec

cluster/test/client_internals_test.rb

cluster/test/client_transactions_test.rb

cluster/test/commands_on_keys_test.rb

cluster/test/commands_on_transactions_test.rb

lib/redis/commands/hashes.rb

lib/redis/commands/keys.rb

lib/redis/commands/pubsub.rb

lib/redis/commands/sets.rb

lib/redis/commands/sorted_sets.rb

lib/redis/distributed.rb

lib/redis/pipeline.rb