include apt-get update on Ubuntu builds

update docstrings for multiple result sets

use MSSQL ODBC driver 18.5.2.1 for Windows tests

improve windows build tests

use earlier version of MS SQL ODBC driver

make project license pep639 compatible

include workflow_dispatch for build tests

ubuntu build, drop MSSQL 2017, add 2025

sqlserver_test.py ruff cleanup

update tox.ini

sqlserver tests pep8 and linting

sqlite tests add pickling tests

sqlite tests tweak to connect_dict_only

sqlite_test linting, typing, pep8

add picklability comments to pyodbc.pyi