feat(tasks) Add taskbroker-client dependency and cutover setting

[markstory]

• Add the taskbroker-client library
• Add a django setting that will be used to switch over deployments to the new client libraries.

Refs STREAM-610

[linear]

STREAM-610 Update sentry to use taskbroker_client

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Autofix Details

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Boolean setting stored as raw string from getenv
  • Changed TASKWORKER_USE_LIBRARY to explicitly check if the environment variable equals '1', ensuring proper boolean evaluation instead of truthy string evaluation.

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@cursor push 67f0548961

Preview (67f0548961)

diff --git a/src/sentry/conf/server.py b/src/sentry/conf/server.py
--- a/src/sentry/conf/server.py
+++ b/src/sentry/conf/server.py
@@ -834,7 +834,7 @@
 TASKWORKER_ROUTES = os.getenv("TASKWORKER_ROUTES")
 
 # Used to switch from sentry.taskworker to taskbroker_client - Temporary
-TASKWORKER_USE_LIBRARY = os.getenv("TASKWORKER_USE_LIBRARY")
+TASKWORKER_USE_LIBRARY = os.getenv("TASKWORKER_USE_LIBRARY") == "1"
 
 # The list of modules that workers will import after starting up
 # Taskworkers need to import task modules to make tasks

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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