bump submodules - merchant - Merchant backend to process payments, run by merchants

commit 972d39167d3a9bfc23aa103cd10295f4048491ed
parent f0bd054d3734a03d1f7d59bcc2ed4a9f2627f2e6
Author: Florian Dold <florian@dold.me>
Date:   Thu, 23 Jan 2025 20:27:56 +0100

bump submodules

	merchant Merchant backend to process payments, run by merchants
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