chore(github-actions): update actions/setup-python action to v7

Author: renovate[bot]

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
         with:
           fetch-depth: 0 #full history
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v7
         with:
           python-version: "3.13"
       - name: Install dependencies

.github/workflows/lint.yml

@@ -10,7 +10,7 @@ jobs:
       - name: Check out source repository
         uses: actions/checkout@v7
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v7
         with:
           python-version: "3.13"
       - name: Install pip package(s)