Update deps and move to uv (vercel)

.github/dependabot.yml

@@ -4,4 +4,4 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "daily"
-    target-branch: "staging"      
+    target-branch: "staging"

.github/workflows/python-app.yml

@@ -19,15 +19,16 @@
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v3
+    - name: Install uv
+      uses: astral-sh/setup-uv@v4
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.12"
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install flake8 pytest
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        uv pip install --system flake8 pytest
+        uv pip install --system -e .
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names