Use new Symflower version which reduces error output of the "fix" com…

…mand

This previously produced gigabytes of log output during the evaluation.

tools/symflower.go

@@ -91,7 +91,7 @@ func (*symflower) CheckVersion(logger *log.Logger, binaryPath string) (err error
 }
 
 // SymflowerVersionRequired holds the version of Symflower required for this revision of the evaluation.
-const SymflowerVersionRequired = "38853"
+const SymflowerVersionRequired = "39005"
 
 // RequiredVersion returns the required version of the tool.
 func (*symflower) RequiredVersion() string {