fix: remove the raise Invalid version when instantiating a version 0

[eliax1996]

… This is required due to back compatibility, in the past was possible to create schema with version 0, we should deny creating new versions starting from 0 but not raising an issue if this is done during the load of the previous schema

About this change - What it does

References: #xxxxx

Why this way

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karapace
typing.py
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