Add a new endpoint UpdateMLClass

Closes #816 (closed)

requested review from @erwanrouchet

assigned to @Eva_Bardou

mentioned in merge request frontend!1007 (merged)

added 3 commits

• 29a8a8ff...4c5d66cc - 2 commits from branch master
• 87c14041 - Add a new endpoint UpdateMLClass

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approved this merge request

mentioned in commit 1b0c34fd

merged