wendelin.core: v↑ 2.0.alpha4.1 -> 2.0.alpha4.2

The new wendelin.core version supports python 3.11 [1].

[1] https://lab.nexedi.com/nexedi/wendelin.core/-/commit/e8a00ac00

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Just version up, to be able to finally merge https://lab.nexedi.com/nexedi/slapos/-/merge_requests/1815.

Tests are pending here.

/cc @kirr