chore(deps): update dependency google-cloud-tasks to v2.7.1 (GoogleCloudPlatform#7013)

Co-authored-by: Leah E. Cole <[email protected]>

Author: renovate-bot

appengine/flexible/tasks/requirements.txt

@@ -1,3 +1,3 @@
 Flask==2.0.1
 gunicorn==20.1.0
-google-cloud-tasks==2.7.0
+google-cloud-tasks==2.7.1