Merge pull request #404 from Metaswitch/renovate/actions-setup-python-6.x

Update actions/setup-python action to v6

Author: maxdymond

.github/workflows/deploy.yml

@@ -11,7 +11,7 @@ jobs:
       id-token: write
     steps:
       - name: 'Set up Python'
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.13
       - uses: actions/checkout@v5

.github/workflows/steps.yml

@@ -19,7 +19,7 @@ jobs:
           - "3.9"
     steps:
       - name: 'Set up Python ${{ matrix.python-version }}'
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '${{ matrix.python-version }}'
       - uses: actions/checkout@v5