[pkg] Update changelog

CHANGELOG.rst

HISTORY

client/changes/bug_7503-do-not-signal-sync-complete

client/changes/bug_missing_design_doc_handler

client/changes/feat_send_batch

client/changes/feat_use_cryptography

client/changes/next-changelog.rst

common/changes/create_db_cmd

common/changes/next-changelog.rst

server/changes/change_soledad_configdir

server/changes/create_db_cmd

server/changes/feat_configurable_ensure

server/changes/feat_handle_send_batch_better

server/changes/next-changelog.rst