v9.19.1

This release includes some clarification updates to the readme, as well as a culmination of security patches from dependabot.

Changed

• Clean up old/missing library migration links #1256 (stevehobbsdev)
• Clarify usage of legacySameSiteCookie in readme #1255 (stevehobbsdev)

Security

• Security: Bump dev dependencies and update lockfile #1244 (evansims)