chore(deps): update dependency python to 3.13 (#21)

Co-authored-by: pactflow-renovate-bot[bot] <186667433+pactflow-renovate-bot[bot]@users.noreply.github.com>

Author: pactflow-renovate-bot[bot]

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.11' 
+          python-version: '3.13' 
           architecture: 'x64' 
       - run: pip install -r requirements.txt
       - name: Test pactflow-example-consumer-python against ${{ matrix.pact_provider }}