adapt version number for first internal build

VectoCore/VectoCore/VersionNumber.t4

@@ -6,6 +6,6 @@ int GetBuildNumber()
 
 string GetVectoCoreVersionNumber()
 {
-	return "0.6.1." + GetBuildNumber();
+	return "0.7.0." + GetBuildNumber();
 }
 #>
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