v2.0.3-pre2

Kn/macos signing (#2432)

* chore: migrate from altool to notarytool

* fix litte things in build-common

* add pyenv install in build-osx

* add pyinstaller/electron/signing_logs to gitignore

* chore: migrate from altool to notarytool

* fix little things in build.common

* add pyenv install in build osx

* add pyinatsller electron signing logs to gitignore

* updated build-osx.sh

* fix entitlement

* heavily refactoring the electron app

* polish and improve

* further bugfixing and polishing

* tiny change to improve support of MacOS

* Fix dependency issues

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Co-authored-by: Manolis <moneymanolis@protonmail.com>