DRAFT: GitHub Actions: Test on Python 3.13 beta release

https://www.python.org/downloads/release/python-3130b1/

Like:
* TheAlgorithms#9306
* TheAlgorithms#8777
* TheAlgorithms#6591
* TheAlgorithms#5992
* TheAlgorithms#4396
* TheAlgorithms#3926
* TheAlgorithms#2279

Author: cclauss

Diff for: .github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.13
           allow-prereleases: true
       - uses: actions/cache@v4
         with: