Aiosql

- rework dependencies.
- enable *PyPy 3.11*, *Python 3.13t* and *Python 3.14* in GitHub CI.

- reject empty queries with a clear message

- fix warning repetition and display for missing `!` on non-SELECT
- improve documentation with declared parameters in examples.
- homogeneise test consistency wrt attribute and parameter names.
- fix doc typos.

- change `kwargs_only` parameter default value to _True_. **Compatibility break.**
- add optional parameter declarations to queries, and check them when provided.
- forbid positional parameters when named parameters are declared.
- warn on probable mission operation.
- silent some test warnings.
- add *psycopg2* back to CI with _Python 3.13_.
- improve documentation.
- improve Makefile.

- Minor release to trigger the doc deployment

- drop support for *Python 3.8*.
- enable *DuckDB* with *Python 3.13*.
- fix duckdb adapter for *DuckDB 1.1*.