[libclang/python] Update maximum Python version for CI to 3.13 (#130385)

Author: DeinAlptraum

.github/workflows/libclang-python-tests.yml

@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.11"]
+        python-version: ["3.8", "3.13"]
     uses: ./.github/workflows/llvm-project-tests.yml
     with:
       build_target: check-clang-python