docs: added redirect from old provision page, #10691

docs/sources/administration/provisioning.md

@@ -3,6 +3,7 @@ title = "Provisioning"
 description = ""
 keywords = ["grafana", "provisioning"]
 type = "docs"
+aliases = ["/installation/provisioning"]
 [menu.docs]
 parent = "admin"
 weight = 8