Changed the current FileFormatVersion

src/StructuredLogger/BinaryLogger/BinaryLogger.cs

@@ -65,14 +65,18 @@ public sealed class BinaryLogger : ILogger
         //   - Making ProjectStartedEventArgs, ProjectEvaluationFinishedEventArgs, AssemblyLoadBuildEventArgs equal
         //     between de/serialization roundtrips.
         //   - Adding serialized events lengths - to support forward compatible reading
+        // version 19:
+        //   - GeneratedFileUsedEventArgs exposed for brief period of time (so let's continue with 20)
+        // version 20:
+        //   - TaskStartedEventArgs: Added TaskAssemblyLocation property
 
         // This should be never changed.
         // The minimum version of the binary log reader that can read log of above version.
         internal const int ForwardCompatibilityMinimalVersion = 18;
 
         // The current version of the binary log representation.
         // Changes with each update of the binary log format.
-        internal const int FileFormatVersion = 18;
+        internal const int FileFormatVersion = 20;
         // The minimum version of the binary log reader that can read log of above version.
         // This should be changed only when the binary log format is changed in a way that would prevent it from being
         // read by older readers. (changing of the individual BuildEventArgs or adding new is fine - as reader can