sage.combinat.cluster_algebra_quiver: Use sage.feature to define database file system location #30885
Description
... as done in #25825 for sage.databases.cremona and in #30607 for sage.databases.jones and #37024
CC: @tscrim @kiwifb @fchapoton
Component: refactoring
Keywords: cluster
Issue created by migration from https://trac.sagemath.org/ticket/30885