chore(deps): update astral-sh/setup-uv action to v6 (#464)

Author: renovate[bot]

.github/workflows/build_and_deploy_docs.yaml

@@ -55,7 +55,7 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Set up uv package manager
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}