- Updated `docker-compose.yml` to remove version specification for modern compatibility.
- Enhanced secret key management in `__init__.py` with a new function to load or generate a secure key.
- Changed session file handling from `pickle` to `json` for improved security and compatibility.
- Added security headers in `routes.py` to enhance application security.
- Updated version to 1.2.1 in `version.py`.
- Refactored key derivation method in `config.py` to use PBKDF2 for better security.
- Improved calculator widget's evaluation method to prevent arbitrary code execution.
- Bump target Python version to 3.12 in `pyproject.toml`.
- Update Flask to version 3.1.2 in `requirements.txt`.
- Remove deprecated dark mode configuration from the application.
- Adjust logo rendering in templates to remove dark mode dependency.
- Update GitHub Actions workflows to support the 'updates' branch for builds.
- Increment version to 1.1.3 with an optional update-testing tag.
- Removed hardcoded User Agent strings and replaced them with a fallback mechanism using DEFAULT_FALLBACK_UA.
- Updated gen_user_agent function to ensure compatibility with older configurations.
- Bumped version to 1.1.1 to reflect changes in User Agent management.
* Sync setup.cfg with requirements.txt
* Include tests in PyPI tarballs
And exclude them from setuptools
* Set version number only once
Switch to PEP517 standard (pyproject.toml) for builds
