refactor(PbePassword): CryptFactory.PbePassword.get privat und Secrets.PBE_PASSWORD intern gemacht.

- JsonIgnore-Attribut zu Secrets.PBE_PASSWORD hinzugefügt
 - ICryptFactory.PbePassword.get wurde entfernt.

DigitalData.Core.Security/Secrets.cs

@@ -1,4 +1,6 @@
-namespace DigitalData.Core.Security
+using System.Text.Json.Serialization;
+
+namespace DigitalData.Core.Security
 {
     public static class Secrets
     {
@@ -6,6 +8,7 @@
 
         public static readonly Version Version = new (1, 0);
 
-        public static readonly string PBE_PASSWORD = "9mk@i/$QY&Mw@_--dI^ahlXpNKEtv_U-,V-46b19_-Z6-U_*89_n1_-5-r-_+_$_IY_mYQl-";
+        [JsonIgnore]
+        internal static readonly string PBE_PASSWORD = "9mk@i/$QY&Mw@_--dI^ahlXpNKEtv_U-,V-46b19_-Z6-U_*89_n1_-5-r-_+_$_IY_mYQl-";
     }
 }