Hi @Anonymous
Currently the time out for approvals is also 30 days. You can however configure that by changing the settings of the action. Go to the settings of the action by clicking the ... on the top right of the action and add the timeout settings over there. You can refer to this blog for the same: https://www.o365dude.com/2018/06/02/timeout-flow-approvals/
Hope this Helps!
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