chore: update version (#150)

Co-authored-by: Create or Update Pull Request Action <[email protected]>

Author: github-actions[bot]

Source/Immutable/Public/Immutable/ImmutableDataTypes.h

@@ -8,7 +8,7 @@
 
 // This is the version of the Unreal Immutable SDK that is being used. This is not the version of the engine.
 // This hardcoded value will be updated by a workflow during the release process.
-#define ENGINE_SDK_VERSION TEXT("1.2.10")
+#define ENGINE_SDK_VERSION TEXT("1.3.0.alpha")
 
 USTRUCT()
 struct FImmutableEngineVersionData