feat(chore): allow chained storages #1219

Job	Run time
Check that Souin build as caddy module	5m 24s
Check that Souin build as middleware / Check that Souin build as Beego middleware	2m 1s
Check that Souin build as middleware / Check that Souin build as Chi middleware	2m 4s
Check that Souin build as middleware / Check that Souin build as Dotweb middleware	1m 57s
Check that Souin build as middleware / Check that Souin build as Echo middleware	1m 53s
Check that Souin build as middleware / Check that Souin build as Fiber middleware	2m 20s
Check that Souin build as middleware / Check that Souin build as Gin middleware	1m 54s
Check that Souin build as middleware / Check that Souin build as Goa middleware	2m 12s
Check that Souin build as middleware / Check that Souin build as Go-zero middleware	2m 31s
Check that Souin build as middleware / Check that Souin build as Hertz middleware	4m 41s
Check that Souin build as middleware / Check that Souin build as Kratos middleware	5m 32s
Check that Souin build as middleware / Check that Souin build as Roadrunner middleware	4m 9s
Check that Souin build as middleware / Check that Souin build as Skipper middleware	5m 26s
Check that Souin build as middleware / Check that Souin build as Souin middleware	5m 43s
Check that Souin build as middleware / Check that Souin build as Traefik middleware	2m 51s
Check that Souin build as middleware / Check that Souin build as Tyk middleware	10m 0s
Check that Souin build as middleware / Check that Souin build as Webgo middleware	2m 3s
	1h 2m 41s

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