fix(ci): install pillow on macos

Signed-off-by: yshalsager <ysh-alsager@hotmail.com>

Author: yshalsager

.github/workflows/release.yml

@@ -40,6 +40,10 @@ jobs:
         with:
           poetry-version: ${{ matrix.poetry-version }}
       - run: poetry install --with ${{ matrix.variant }} --with dev
+      - name: Install PIL on macOS
+        if: runner.os == 'macOS'
+        run: |
+          poetry run pip install Pillow
       - name: Caching
         uses: actions/cache@v4
         with: