Don't use old GMM in examples #7115
Description
The old GMM seems to be used in examples, leading to many deprecations warnings:
https://circleci.com/gh/scikit-learn/scikit-learn/4343
The new GaussianMixture should be used instead.
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The old GMM seems to be used in examples, leading to many deprecations warnings:
https://circleci.com/gh/scikit-learn/scikit-learn/4343
The new GaussianMixture should be used instead.