fix: update emulator client usage in examples

Co-Authored-By: Rushil Srivastava <rushil@simplify.jobs>

Author: devin-ai-integration[bot]

examples/full/tasks.py

@@ -9,7 +9,7 @@
 # Imports from this repository
 from examples.full.serializer import Payload
 from examples.full.settings import (
-    CLOUD_TASKS_EMULATOR_URL,
+    CLOUD_TASKS_EMULATOR_HOST,
     IS_LOCAL,
     SCHEDULED_LOCATION_PATH,
     SCHEDULED_OIDC_TOKEN,