Fix
* fix: allow changing prerelease tag using CLI flags (466)
Delay construction of version and release patterns until runtime.
This will allow to use non-default prerelease tag.
Co-authored-by: Dzmitry Ryzhykau <d.ryzhykauonesoil.ai> ([`395bf4f`](https://github.com/python-semantic-release/python-semantic-release/commit/395bf4f2de73663c070f37cced85162d41934213))