--- a/pkg/middleware/json.go	Tue Feb 20 22:22:57 2024 +0100
+++ b/pkg/middleware/json.go	Tue Feb 20 22:37:51 2024 +0100
@@ -30,7 +30,7 @@
 
 // GetJSONInput returns the deserialized JSON data from
 // the incoming request if any.
-func GetJSONInput(req *http.Request) interface{} {
+func GetJSONInput(req *http.Request) any {
 	return req.Context().Value(jsonInputKey)
 }
 
@@ -40,7 +40,7 @@
 // GetJSONInput can be used to receive the deserialized data.
 // limit limits the size of the incoming body to prevent
 // flooding the server.
-func JSONMiddleware(next http.Handler, input func(*http.Request) interface{}, limit int64) http.Handler {
+func JSONMiddleware(next http.Handler, input func(*http.Request) any, limit int64) http.Handler {
 
 	return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
 		dst := input(req)