Merge pull request godotengine#95964 from Chubercik/clipper2-1.4.0

clipper2: Update to 1.4.0

Author: Repiteo

COPYRIGHT.txt

@@ -186,7 +186,7 @@ License: MPL-2.0
 
 Files: ./thirdparty/clipper2/
 Comment: Clipper2
-Copyright: 2010-2023, Angus Johnson
+Copyright: 2010-2024, Angus Johnson
 License: BSL-1.0
 
 Files: ./thirdparty/cvtt/

thirdparty/README.md

@@ -111,7 +111,7 @@ Files extracted from upstream source:
 ## clipper2
 
 - Upstream: https://github.com/AngusJohnson/Clipper2
-- Version: 1.3.0 (98db5662e8dd1808a5a7b50c5605a2289bb390e8, 2023)
+- Version: 1.4.0 (736ddb0b53d97fd5f65dd3d9bbf8a0993eaf387c, 2024)
 - License: BSL 1.0
 
 Files extracted from upstream source: