v0.34.0

• Change service version fields: removed enum validation from userConfig
  (affects AlloyDBOmni.userConfig.alloydbomni_version,
  Cassandra.userConfig.cassandra_version, Flink.userConfig.flink_version,
  MySQL.userConfig.mysql_version, OpenSearch.userConfig.opensearch_version,
  Redis.userConfig.redis_version, PostgreSQL.userConfig.pg_version, Kafka.userConfig.kafka_version)
• Change ServiceIntegration: operator now adopts existing integrations instead of failing with conflict
• Fix PostgreSQL: added retry logic for errors during upgrade task
• Add AlloyDBOmni field userConfig.node_count, type integer: Number of nodes for the service
• Add Kafka field userConfig.kafka_diskless, type object: Kafka Diskless configuration values
• Change MySQL field userConfig.mysql.innodb_log_buffer_size: maximum 4294967295 → 4294967296
• Add OpenSearch field userConfig.jwt, type object: OpenSearch JWT Configuration
• Change OpenSearch field userConfig.opensearch.knn_memory_circuit_breaker_limit: minimum 3 → 0
• Add PostgreSQL field userConfig.node_count, type integer: Number of nodes for the service
• Add PostgreSQL field userConfig.pg.io_combine_limit, type integer: EXPERIMENTAL: Controls the
  largest I/O size in operations that combine I/O in 8kB units
• Add PostgreSQL field userConfig.pg.io_max_combine_limit, type integer: EXPERIMENTAL: Controls
  the largest I/O size in operations that combine I/O in 8kB units, and silently limits the user-settable
  parameter io_combine_limit
• Add PostgreSQL field userConfig.pg.io_max_concurrency, type integer: EXPERIMENTAL: Controls the
  maximum number of I/O operations that one process can execute simultaneously
• Add PostgreSQL field userConfig.pg.io_method, type string: EXPERIMENTAL: Controls the maximum
  number of I/O operations that one process can execute simultaneously
• Add PostgreSQL field userConfig.pg.io_workers, type integer: EXPERIMENTAL: Number of IO worker
  processes, for io_method=worker. Version 18 and up only
• Change PostgreSQL field userConfig.pg.max_connections: maximum 60000
• Remove OpenSearch field userConfig.custom_keystores, type array: the field has invalid schema definition
• Add KafkaTopic field config.diskless_enable, type boolean: Indicates whether diskless should
  be enabled
• Remove KafkaTopic field config.inkless_enable, type boolean: Indicates whether inkless should
  be enabled