This is a core block and thus available by default in Gutenberg WordPress editor. No download required.
WordPress Quote Block in Gutenberg allows you to highlight a quote in the citation. Quotes are useful to display reviews or inspirational phrases. It has two premade styles similar to pullquote block.
Quote Block Features
The quote block toolbar has basic formatting and alignment options. The sidebar settings panel only has the block style options.
This is how it looks on the frontend.
quote block added in the Gutenberg editor.
quote block's settings panel.