[flutter] Closes #2525, fix build to include spine-cpp-lite.

spine-flutter/.pubignore

@@ -1,3 +1,4 @@
 !src/spine-cpp
+!src/spine-cpp-lite
 !ios/Classes/spine-cpp
 !macos/Classes/spine-cpp

spine-flutter/CHANGELOG.md

@@ -1,3 +1,6 @@
+# 4.2.25
+- Switch to spine-cpp-lite
+
 # 4.2.24
 - Support static linking of native library, see https://github.com/EsotericSoftware/spine-runtimes/issues/2438
 

spine-flutter/pubspec.yaml

@@ -1,6 +1,6 @@
 name: spine_flutter
 description: The official Spine Flutter Runtime to load, display and interact with Spine animations.
-version: 4.2.24
+version: 4.2.25
 homepage: https://esotericsoftware.com
 repository: https://github.com/esotericsoftware/spine-runtimes
 issue_tracker: https://github.com/esotericsoftware/spine-runtimes/issues
@@ -44,3 +44,5 @@ flutter:
   assets:
     - lib/assets/libspine_flutter.js
     - lib/assets/libspine_flutter.wasm
+    - src/spine-cpp-lite/spine-cpp-lite.cpp
+    - src/spine-cpp-lite/spine-cpp-lite.h