Sync with tag redot-4.3.1-alpha.1 (Redot-Engine/redot-engine@a07fa3f)

Author: Spartan322

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ env:
   # Only used for the cache key. Increment version to force clean build.
   GODOT_BASE_BRANCH: master
   # Used to select the version of Redot to run the tests with.
-  REDOT_TEST_VERSION: 4.3-stable
+  REDOT_TEST_VERSION: 4.3.1-alpha.1
 
 concurrency:
   group: ci-${{ github.actor }}-${{ github.head_ref || github.run_number }}-${{ github.ref }}