ci: use --dest-dir option instead of manually changing a working directory

Part of #13

Author: php-coder

.github/workflows/generate-python-app.yml

@@ -21,7 +21,6 @@ jobs:
       - name: Install project dependencies
         run: npm ci # https://docs.npmjs.com/cli/v8/commands/npm-ci
       - name: Generate Python + FastAPI application
-        run: ../../src/cli.js --lang python
-        working-directory: examples/python
+        run: ./src/cli.js --lang python --dest-dir examples/python
       - name: Check whether files were modified
         run: git status --short