Fix pyproject.toml for Renovate (#9896)

Author: dandhlee

renovate.json

@@ -5,8 +5,11 @@
   "prConcurrentLimit": 0,
   "rebaseWhen": "never",
   "masterIssue": true,
+  "poetry": {
+    "fileMatch": ["pyproject.toml"]
+  },
   "pip_requirements": {
-    "fileMatch": ["requirements-test.txt", "requirements-composer.txt", "constraints.txt", "constraints-test.txt", "pyproject.toml"]
+    "fileMatch": ["requirements-test.txt", "requirements-composer.txt", "constraints.txt", "constraints-test.txt"]
   },
   "ignorePaths" : ["composer/**/constraints.txt", "composer/blog/**/constraints.txt", "composer/airflow_1_samples/requirements.txt", "appengine/standard"],
   "packageRules": [