Updated downstream test workflow

Author: agronholm

.github/workflows/test-downstream.yml

@@ -74,7 +74,7 @@ jobs:
         with:
           python-version: "${{ matrix.python-version }}"
       - name: Setup uv
-        uses: astral-sh/setup-uv@v3
+        uses: astral-sh/setup-uv@v5
         with:
           version: "0.4.15"
           enable-cache: true
@@ -96,7 +96,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.12"]
+        python-version: ["3.9", "3.13"]
     steps:
       - uses: actions/checkout@v4
         with:
@@ -106,7 +106,7 @@ jobs:
         with:
           python-version: ${{ inputs.python-version }}
       - name: Install uv
-        uses: astral-sh/setup-uv@v4
+        uses: astral-sh/setup-uv@v5
         with:
           version: "0.5.4"
           enable-cache: true