Use single topic per workspace

[cortadocodes]

Contents (#639)

IMPORTANT: There are 4 breaking changes.

New features

• 💥 BREAKING CHANGE: Publish events and subscribe to them with a single octue.services topic per workspace

Enhancements

• 💥 BREAKING CHANGE: Add mandatory originator, sender, recipient, and UUID event attributes
• Make Topic's representation consistent with Subscription's
• Add string representation to MockMessageWrapper

Fixes

• Only update earliest waiting event number in event handler if there are waiting messages
• Fix race condition in event emission order by factoring order out of Topic and into new EventCounter class
• Avoid silently failing if question_uuid attribute missing

Operations

• Add octue.services topic to terraform config
• Update bigquery table and event handler cloud function

Refactoring

• 💥 BREAKING CHANGE: Rename message_number to order
• 💥 BREAKING CHANGE: Rename version attribute to sender_sdk_version
• Rename receiving_service to recipient
• Rename Service._send_message to Service._emit_event

Testing

• Test get_sruid_from_pub_sub_resource_name
• Simplify GoogleCloudPubSubHandler tests
• Simplify pub/sub event handler tests
• Factor out service patching to start of test classes

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Upgrade instructions

Update all services in your services network to use this version of octue or later (0.53.0+).

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 92.85714% with 7 lines in your changes are missing coverage. Please review.

Project coverage is 94.61%. Comparing base (811cc94) to head (426e765).

Files	Patch %	Lines
octue/cloud/emulators/_pub_sub.py	84.61%	2 Missing ⚠️
octue/cloud/events/counter.py	83.33%	2 Missing ⚠️
octue/cloud/pub_sub/service.py	93.33%	2 Missing ⚠️
...cloud/deployment/google/answer_pub_sub_question.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@                            Coverage Diff                            @@
##           better-support-asynchronous-questions     #639      +/-   ##
=========================================================================
- Coverage                                  94.76%   94.61%   -0.15%     
=========================================================================
  Files                                         80       81       +1     
  Lines                                       3514     3530      +16     
=========================================================================
+ Hits                                        3330     3340      +10     
- Misses                                       184      190       +6     

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