Update: Upgrade setup-uv to v4 and setup-python to v5

Co-Authored-By: Amp <amp@ampcode.com>

Author: heikkitoivonen

.github/workflows/deploy.yml

@@ -22,10 +22,10 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v2
+        uses: astral-sh/setup-uv@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version-file: .python-version