Use standard redis helpers

manifest.toml

@@ -18,7 +18,7 @@ demo = "https://send.vis.ee/"
 code = "https://github.com/timvisee/send"
 
 [integration]
-yunohost = ">= 11.2"
+yunohost = ">= 11.2.12"
 architectures = ["amd64", "arm64", "armhf"]
 multi_instance = true
 
@@ -55,13 +55,13 @@ ram.runtime = "50M"
     [resources.permissions]
     main.url = "/"
     main.additional_urls = ["/api/upload"]
-    
+
     api.url = "/api"
     api.allowed = "visitors"
     api.auth_header = false
     api.show_tile = false
     api.protected = true
-    
+
     download.url = "/download"
     download.allowed = "visitors"
     download.auth_header = false