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

It fails as it can't find endpoints.yaml:

Failed to parse endpoints.yaml: ENOENT: no such file or directory, open 'endpoints.yaml'

This reverts commit a6bf8e9.

Author: php-coder

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

@@ -21,6 +21,7 @@ jobs:
       - name: Install project dependencies
         run: npm ci --no-audit --no-fund # https://docs.npmjs.com/cli/v8/commands/npm-ci
       - name: Generate Python + FastAPI application
-        run: ./src/cli.js --lang python --dest-dir examples/python
+        run: ../../src/cli.js --lang python
+        working-directory: examples/python
       - name: Check whether files were modified
         run: git status --short