Fix: Remove setup-python step, let uv manage Python

uv sync automatically installs the correct Python version from .python-version

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

Author: heikkitoivonen

.github/workflows/deploy.yml

@@ -24,11 +24,6 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
 
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version-file: .python-version
-
       - name: Install dependencies
         run: uv sync