Adjusted image quality settings

Source/QuestPDF/Helpers/Helpers.cs

@@ -68,10 +68,10 @@ namespace QuestPDF.Helpers
             {
                 ImageCompressionQuality.Best => 100,
                 ImageCompressionQuality.VeryHigh => 90,
-                ImageCompressionQuality.High => 80,
-                ImageCompressionQuality.Medium => 60,
-                ImageCompressionQuality.Low => 40,
-                ImageCompressionQuality.VeryLow => 20,
+                ImageCompressionQuality.High => 75,
+                ImageCompressionQuality.Medium => 50,
+                ImageCompressionQuality.Low => 25,
+                ImageCompressionQuality.VeryLow => 10,
                 _ => throw new ArgumentOutOfRangeException(nameof(quality), quality, null)
             };
         }

Source/QuestPDF/Infrastructure/ImageCompressionQuality.cs

@@ -13,22 +13,22 @@
         VeryHigh,
 
         /// <summary>
-        /// JPEG format with compression set to 80 out of 100
+        /// JPEG format with compression set to 75 out of 100
         /// </summary>
         High,
 
         /// <summary>
-        /// JPEG format with compression set to 60 out of 100
+        /// JPEG format with compression set to 50 out of 100
         /// </summary>
         Medium,
 
         /// <summary>
-        /// JPEG format with compression set to 40 out of 100
+        /// JPEG format with compression set to 25 out of 100
         /// </summary>
         Low,
 
         /// <summary>
-        /// JPEG format with compression set to 20 out of 100
+        /// JPEG format with compression set to 10 out of 100
         /// </summary>
         VeryLow
     }