Cl-sii

- (PR 758, 2025-01-15) Enable `warn_unused_ignores` in Mypy configuration
- (PR 759, 2025-01-28) Annotate method return types with `typing.Self` where appropriate
- (PR 761, 2025-01-28) deps: Increase minimum version of Python package `Django` to 4.2
- (PR 760, 2025-01-28) rut: Add constant with lowest RUT for personas jurídicas

- (PR 753, 2025-01-08) Exclude only individual test files in Mypy configuration
- (PR 755, 2025-01-08) Improve Make tasks `clean-build`, `clean-pyc`, and `clean-test`

- (PR 748, 2025-01-06) Use most recent patch version of Python in CI/CD configuration
- (PR 750, 2025-01-08) Really use latest patch version of Python in CI/CD configuration
- (PR 751, 2025-01-08) Improve dependency caching in CI/CD configuration
- (PR 749, 2025-01-08) deps: Update dependency constraints of Python package `cl-sii`
- (PR 747, 2025-01-08) chore: Bump the production-dependencies group with 3 updates
- (PR 737, 2025-01-08) chore(deps): Bump setuptools from 70.3.0 to 75.3.0
- (PR 745, 2025-01-08) chore(deps): Bump pydantic from 2.10.3 to 2.10.4
- (PR 746, 2025-01-08) chore(deps): Bump the development-dependencies group with 6 updates

- (PR 729, 2024-10-30) extras: Fix serialization of `None` in Pydantic `Rut` type
- (PR 730, 2024-11-19) chore: Bump the production-dependencies group with 6 updates
- (PR 733, 2024-11-20) chore: Bump the development-dependencies group across 1 directory with 5 updates
- (PR 734, 2024-12-05) chore: Bump the production-dependencies group with 2 updates
- (PR 732, 2024-12-05) chore(deps): Bump cryptography from 43.0.1 to 43.0.3
- (PR 739, 2024-12-09) chore(deps): Bump pydantic from 2.9.2 to 2.10.3
- (PR 740, 2024-12-09) chore(deps): Bump django from 4.2.16 to 4.2.17
- (PR 736, 2024-12-12) chore(deps): Bump signxml from 3.2.2 to 4.0.3
- (PR 742, 2024-12-12) deps: Update cryptography to 44.0.0 and pyopenssl to 24.3.0

- (PR 725, 2024-10-28) extras: Fix generation of JSON Schema for Pydantic `Rut` type
- (PR 726, 2024-10-28) chore(deps): Update `mypy` from 1.11.2 to 1.13.0

- (PR 721, 2024-10-11) rut: Improve type annotation; Add method to validate DV
- (PR 720, 2024-10-11) chore(deps): Bump django from 4.2.15 to 4.2.16
- (PR 722, 2024-10-25) extras: Pydantic `Rut` type regex is not compliant with JSON Schema