datasette PR #2689: Replace token-based CSRF with Sec-Fetch-Site header protection

datasette PR #2689: Replace token-based CSRF with Sec-Fetch-Site header protection Datasette has long protected against CSRF attacks using CSRF tokens, implemented using my asgi-csrf Python library. These are something of a pain to work with - you need to scatter forms in templates with <input type="hidden" name="csrftoken" value="{{ csrftoken() }}"> lines and then selectively disable CSRF protection for APIs that are intended to be called from outside the browser. I've been following…