fix(deps): update module github.com/kcp-dev/multicluster-provider to v0.6.0

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.26
 require (
 	github.com/go-logr/logr v1.4.3
 	github.com/kcp-dev/logicalcluster/v3 v3.0.5
-	github.com/kcp-dev/multicluster-provider v0.5.1
+	github.com/kcp-dev/multicluster-provider v0.6.0
 	github.com/kcp-dev/sdk v0.31.1
 	github.com/platform-mesh/golang-commons v0.16.10
 	github.com/platform-mesh/subroutines v0.3.3