{release} v3.6.0rc3 (#5408)

## What type of PR is this? (check all applicable)

Release v3.6.0rc3


## Have you discussed this change with the InvokeAI team?
- [X] Yes
- [ ] No, because:

      
## Have you updated all relevant documentation?
- [] Yes
- [X] No


## Description
Next release candidate

## Related Tickets & Documents
N/A
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- Related Issue #
- Closes #

## QA Instructions, Screenshots, Recordings
[Uploading InvokeAI-installer-v3.6.0rc3.zip…](Installer zip)

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## Merge Plan
This PR can be merged when approved
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## Added/updated tests?

- [ ] Yes
- [ ] No : _please replace this line with details on why tests
      have not been included_

## [optional] Are there any post deployment tasks we need to perform?
Release on PyPI & Github

invokeai/version/invokeai_version.py

@@ -1 +1 @@
-__version__ = "3.6.0rc2"
+__version__ = "3.6.0rc3"