fix(ci): specify cache-dependency-path for setup-python

Author: jwm4

.github/workflows/ci.yml

@@ -25,6 +25,7 @@ jobs:
         with:
           python-version: '3.12'
           cache: 'pip'
+          cache-dependency-path: 'pyproject.toml'
 
       - name: Install dependencies
         run: pip install .