block-test.js

const {__} = wp.i18n; // Import __() from wp.i18n
const {registerBlockType} = wp.blocks; // Import registerBlockType() from wp.blocks
const {
    RichText
} = wp.blockEditor;
/**
 * Register block
 */
export default registerBlockType(
    "tct/article-card-block",
    {
        attributes: {
            title: {
                type: "string",
                source: 'text',
                selector: 'h2',
                default: "untitled"
            },
            content: {
                type: 'array',
                source: 'children',
                selector:'.content',
                default: "..."
            },
        },
        edit({attributes, setAttributes}) {
            return (
                <Fragment>
                      <RichText
                        tagName="h2"
                        multiline={false}
                        allowedFormats={[]}
                        value={attributes.title}
                        onChange={(title) => setAttributes({title})}
                      />
                      <RichText
                          tagName="div"
                          multiline="p"
                          value={attributes.content}
                          onChange={(content) => setAttributes({content})}
                      />
                </Fragment>
            );
        },
        save({attributes, className}) {
            return (
                <div className={className}>
                    <RichText.Content tagName="h2" value={attributes.title}/>
                    <RichText.Content className="content" tagName="div" value={attributes.content}/>
                </div>
            );
        }
    }
);

Amazing, thank you 🙏 , works like a charm now