Normcap

- All: Fix pasting to clipboard sometimes not working

- All: Removed CLI options `-v, --verbose` and `-V, --very-verbose` in favor of the new
`-v, --verbosity` which accepts on of the options: `{error, warning, info, debug}`.
- All: Update to PySide6 (Qt6) and Python 3.9
- All: Add support for Tesseract 5 with better OCR
[170](https://github.com/dynobo/normcap/issues/170)
- All: Improve image processing for better detection accuracy, especially for bright
text on dark backgrounds.
- Prebuilt packages: Switched to shipping "fast" language models to reduce package size.
- Linux: Add support for Gnome Shell 41+ (using Screenshot Portal)
[153](https://github.com/dynobo/normcap/issues/153)
[157](https://github.com/dynobo/normcap/issues/157)
- Linux: Fix issues with transparency / black window
[154](https://github.com/dynobo/normcap/issues/154)
[155](https://github.com/dynobo/normcap/issues/155)
- Linux: Fix crash on non Gnome Shell systems
[168](https://github.com/dynobo/normcap/issues/168)
- macOS: Full screen border and selection
[119](https://github.com/dynobo/normcap/issues/119)

- All: Fix language settings not working if only a single language is selected
- macOS: Fix crash at start of prebuilt package due to missing dependency

- All: Mitigate superfluous spaces in Chinese languages
[158](https://github.com/dynobo/normcap/issues/158)
- Linux: Fix OCR not working on Gnome 41+ by using the official screenshot API
[159](https://github.com/dynobo/normcap/issues/159)

- Linux: Fix language option in `settings.conf` not human-readable
[143](https://github.com/dynobo/normcap/issues/143)
- Prebuilt packages: On Windows the MSI-installer will now upgrade existing versions
[148](https://github.com/dynobo/normcap/issues/148)

- Fixed NormCap error in case of disabled notifications
[142](https://github.com/dynobo/normcap/issues/142)