chore: remove cairo from test srack

Author: fsbraun

.github/workflows/test.yml

@@ -52,11 +52,6 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install uv
       run: curl -LsSf https://astral.sh/uv/install.sh | sh
-    - name: Install system deps (cairo stack)
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y \
-          build-essential libcairo2-dev pkg-config python3-dev
     - name: Install dependencies
       run: |
         uv venv

tests/requirements/base.txt

@@ -9,3 +9,6 @@ drf-spectacular
 # other requirements
 coverage
 tox
+
+# avoid having to install cairo stack for testing
+svglib!=1.6.0