#9603 docs: Add an admonition for `psycopg2` and link to SQLAlchemy docs Pull request opened by edgarrmondragon ## Description ## Related Issues • Closes #XXXX ## Summary by Sourcery Introduce a warning advising users to prefer the modern ‘postgres’ extra over the legacy ‘psycopg2’ driver, update database extras with links to the corresponding SQLAlchemy docs, and remove ‘psycopg2’ from the supported extras list in the project concepts table. Enhancements: • Add warning admonition in the advanced topics guide recommending the ‘postgres’ extra instead of legacy ‘psycopg2'. • Hyperlink ‘mssql’ and ‘postgres’ extras in the advanced topics guide to their SQLAlchemy documentation. Documentation: • Remove ‘psycopg2’ from the PostgreSQL extras list in the project concepts table, leaving only ‘postgres’. meltano/meltano