Release v1.7.6

• Migrated package setup from setup.py to modern pyproject.toml standard.
• Replaced flake8/isort with Ruff and implemented pre-commit hooks (needs to be activated).
• Updated CI/CD pipeline to use modern GitHub Actions with dependency caching.
• Refactored documentation to use sphinx-book-theme and MyST-NB for Jupyter notebook rendering.
• Replaced hardcoded version strings with dynamic setuptools_scm versioning.

What's Changed

• Bump pytest from 5.4.3 to 9.0.3 by @dependabot[bot] in #164
• Bump pip from 26.0 to 26.1.2 by @dependabot[bot] in #163
• SBLA in build config by @iprafols in #162

Full Changelog: v1.7.5...v1.7.6