Add missing_master_key error code for v0.30.0#384

bidoubiwa merged 2 commits intobump-meilisearch-v0.30.0meilisearch/meilisearch-rust:bump-meilisearch-v0.30.0from

bump-meilisearch-v0.30.0-add-missing_master_key_errormeilisearch/meilisearch-rust:bump-meilisearch-v0.30.0-add-missing_master_key_errorCopy head branch name to clipboard