chore: update uv to 0.8.9 (#23833)

.github/actions/setup-uv/action.yml

   uv-version:
     description: UV version to set up
     required: true
-    default: '~=0.7.11'
+    default: '0.8.9'
   uv-lockfile:
     description: Path to the UV lockfile to restore cache from
     required: true
         python-version: ${{ inputs.python-version }}
 
     - name: Install uv
-      uses: astral-sh/setup-uv@v5
+      uses: astral-sh/setup-uv@v6
       with:
         version: ${{ inputs.uv-version }}
         python-version: ${{ inputs.python-version }}

api/Dockerfile

 WORKDIR /app/api
 
 # Install uv
-ENV UV_VERSION=0.7.11
+ENV UV_VERSION=0.8.9
 
 RUN pip install --no-cache-dir uv==${UV_VERSION}