⬆️ Update astral-sh/setup-uv action to v7 (#1392)

Author: renovate[bot]

.github/workflows/docs.yml

@@ -28,7 +28,7 @@ jobs:
           python-version: '3.14.2'
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
 
       - name: Install dependencies
         run: uv sync --group docs

.github/workflows/markdown-code-runner.yml

@@ -22,7 +22,7 @@ jobs:
           python-version: "3.14.2"
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
 
       - name: Run markdown-code-runner
         run: |