Aggiunta esclusione classi JJWT dall'obfuscation

app/proguard-rules.pro

@@ -34,6 +34,12 @@
     <init>(...);
     @com.google.gson.annotations.SerializedName <fields>;
 }
+
+# Per JJWT
+-keep class io.jsonwebtoken.** { *; }
+-keepnames class io.jsonwebtoken.* { *; }
+-keepnames interface io.jsonwebtoken.* { *; }
+
 # Retain generic signatures of TypeToken and its subclasses with R8 version 3.0 and higher.
 -keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
 -keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken