Python: Upgrade ruff to 0.6.1 (#8313)

### Motivation and Context

Per dependabot, ruff 0.6.1 is available.

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### Description

Upgrading from ruff 0.5.7 -> 0.6.1. This requires a manual PR to update
our pre-commit config.

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### Contribution Checklist

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- [X] The code builds clean without any errors or warnings
- [X] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [X] All unit tests pass, and I have added new tests where possible
- [X] I didn't break anyone 😄

.pre-commit-config.yaml

@@ -37,7 +37,7 @@ repos:
     - id: pyupgrade
       args: [--py310-plus]
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.5.7
+    rev: v0.6.1
     hooks:
       - id: ruff
         args: [ --fix, --exit-non-zero-on-fix ]

python/pyproject.toml

@@ -99,7 +99,7 @@ pytest-asyncio = "^0.23.7"
 snoop = "^0.4.3"
 mypy = ">=1.10.0"
 types-PyYAML = "^6.0.12.20240311"
-ruff = "^0.5.2"
+ruff = ">=0.5.2,<0.7.0"
 
 [tool.poetry.group.unit-tests]
 optional = true