Fix Windows CI job

Failing builds (https://i10git.cs.fau.de/pycodegen/lbmpy/-/jobs/530612) since !57 (merged).

enabled an automatic merge when the pipeline for ea8289e1 succeeds

aborted the automatic merge because source branch was updated

added 1 commit

• 47c64d02 - Update .gitlab-ci.yml

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added 1 commit

• 09ffd70f - Update .gitlab-ci.yml

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closed