feat: support streaming load

[youngsofun]

new features:

1. FileTransferAPI add new interface

public interface FileTransferAPI {
   /**
     * Upload inputStream into the target table
     *
     * @param sql the sql with syntax `Insert into <table> [(<columns></columns>) [values (?, ...)]] from @_databend_load [file_format=(...)]`
     * @param inputStream the input stream of the file
     * @param loadMethod one of "stage" or "streaming"
     * @return num of rows loaded
     * @throws SQLException fail to load file into table
     */
    int loadStreamToTable(String sql, InputStream inputStream, long fileSize, String loadMethod) throws SQLException;
}

2. support login and capabilities

ci

1. fix test about settings.
2. update server version
3. fix some warnings

refactors:

1. unify retry logic of login/logout/heartbeat/streaming_load, not supporting multihost for now
2. move some class from client package to jdbc
3. polish pom.xml

[youngsofun]

cc @sundy-li