Hi @Von Mock -- Welcome to the Atlassian Community!
You cannot do that with out-of-the-box JQL search functions. There may be a marketplace add-on which provides additional support to see Label changes in the logs.
What you could do is check Updated for things changed within the last X days to narrow the search, and then review those individually:
project = myProject AND Updated >= -Xd
Replacing myProject and X to match your values, and add any other clauses to help narrow your search.
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