fix: remove unnecessary line breaks in console output formatting

Author: jbrinkman

src/DotNetApiDiff/Reporting/ConsoleFormatter.cs

@@ -113,8 +113,8 @@ private string FormatForTests(ComparisonResult result)
                 {
                     output.AppendLine($"+ {change.NewSignature}");
                 }
-
             }
+
             output.AppendLine();
         }
 
@@ -129,8 +129,8 @@ private string FormatForTests(ComparisonResult result)
                 {
                     output.AppendLine($"- {change.OldSignature}");
                 }
-
             }
+
             output.AppendLine();
         }
 
@@ -150,8 +150,8 @@ private string FormatForTests(ComparisonResult result)
                 {
                     output.AppendLine($"+ {change.NewSignature}");
                 }
-
             }
+
             output.AppendLine();
         }