Add python black check to pre-commit (#4094)

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

- [ ] Refactor
- [ ] Feature
- [ ] Bug Fix
- [x] Optimization
- [ ] Documentation Update
- [ ] Community Node Submission


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

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


## Description


## Related Tickets & Documents

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- Related Issue #
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## QA Instructions, Screenshots, Recordings

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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?

invokeai/frontend/web/.husky/pre-commit

@@ -1,4 +1,6 @@
 #!/usr/bin/env sh
 . "$(dirname -- "$0")/_/husky.sh"
 
+python -m black . --check
+
 cd invokeai/frontend/web/ && npm run lint-staged