update changelog of dCache use case

changed the date for the release of the Desy Storage (HDF) at the portal and added changelog

added Progress::4_Can review label

requested review from @jandt-desy

assigned to @lisa.klaffki

removed Progress::4_Can review label

marked this merge request as ready

added 1 commit

• ff212611 - changelog date to august 2

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merged

mentioned in commit cad98756