Bump astral-sh/setup-uv from 4 to 6 (#1532)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/auto-close-duplicates.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v4
+        uses: astral-sh/setup-uv@v6
 
       - name: Auto-close duplicate issues
         run: uv run scripts/auto_close_duplicates.py

.github/workflows/marvin.yml

@@ -41,7 +41,7 @@ jobs:
 
       # Install UV package manager
       - name: Install UV
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true
           cache-dependency-glob: "uv.lock"