chore: remove swig depency from tests

It seems no longer needed.

Author: nijel

.github/workflows/test.yml

@@ -78,7 +78,7 @@ jobs:
     - name: Install System dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -qq -y --no-install-recommends libxmlsec1-dev swig
+        sudo apt-get install -qq -y --no-install-recommends libxmlsec1-dev
 
     - name: Test with tox
       run: uvx tox -e "py${PYTHON_VERSION/\./}"

.github/workflows/ty.yml

@@ -27,7 +27,7 @@ jobs:
     - name: Install System dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -qq -y --no-install-recommends libxmlsec1-dev swig
+        sudo apt-get install -qq -y --no-install-recommends libxmlsec1-dev
 
     - name: Type check ty
       run: uv run --all-extras ty check --output-format=github