fix(deps): update dependency datetime to v6 (#398)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [datetime](https://github.com/zopefoundation/DateTime) | `<6.0,>=5.5` -> `<6.1,>=6` | [![age](https://developer.mend.io/api/mc/badges/age/pypi/datetime/6.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/datetime/5.5/6.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>zopefoundation/DateTime (datetime)</summary>

### [`v6.0`](https://github.com/zopefoundation/DateTime/blob/HEAD/CHANGES.rst#60-2025-11-25)

[Compare Source](https://github.com/zopefoundation/DateTime/compare/5.5...6.0)

- Add support for Python 3.13, 3.14.

- Drop support for Python 3.7, 3.8, 3.9.

- Remove setuptools fossils.

- Remove Python2 compatiblity code.

</details>

---

### Configuration

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♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #398
Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk>
Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>

pyproject.toml

@@ -9,7 +9,7 @@ authors = [
 requires-python = "<3.14,>=3.11"
 dependencies = [
     "webex-bot<1.1.0,>=1.0.3",
-    "datetime<6.0,>=5.5",
+    "datetime<6.1,>=6",
     "requests<3.0.0,>=2.32.3",
 ]
 

uv.lock

@@ -215,15 +215,15 @@ wheels = [
 
 [[package]]
 name = "datetime"
-version = "5.5"
+version = "6.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "pytz" },
     { name = "zope-interface" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/2f/66/e284b9978fede35185e5d18fb3ae855b8f573d8c90a56de5f6d03e8ef99e/DateTime-5.5.tar.gz", hash = "sha256:21ec6331f87a7fcb57bd7c59e8a68bfffe6fcbf5acdbbc7b356d6a9a020191d3", size = 63671, upload-time = "2024-03-21T07:26:50.211Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/77/32/decbfd165e9985ba9d8c2d34a39afe5aeba2fc3fe390eb6e9ef1aab98fa8/datetime-6.0.tar.gz", hash = "sha256:c1514936d2f901e10c8e08d83bf04e6c9dbd7ca4f244da94fec980980a3bc4d5", size = 64167, upload-time = "2025-11-25T08:00:34.586Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f3/78/8e382b8cb4346119e2e04270b6eb4a01c5ee70b47a8a0244ecdb157204f7/DateTime-5.5-py3-none-any.whl", hash = "sha256:0abf6c51cb4ba7cee775ca46ccc727f3afdde463be28dbbe8803631fefd4a120", size = 52649, upload-time = "2024-03-21T07:26:47.849Z" },
+    { url = "https://files.pythonhosted.org/packages/cf/7a/ea0f3e3ea74be36fc7cf54f966cde732a3de72697983cdb5646b0a4dacde/datetime-6.0-py3-none-any.whl", hash = "sha256:d19988f0657a4e72c9438344157254a8dcad6aea8cd5ae70a5d1b5a75e5dc930", size = 52637, upload-time = "2025-11-25T08:00:33.077Z" },
 ]
 
 [[package]]
@@ -466,7 +466,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "datetime", specifier = ">=5.5,<6.0" },
+    { name = "datetime", specifier = ">=6,<6.1" },
     { name = "requests", specifier = ">=2.32.3,<3.0.0" },
     { name = "webex-bot", specifier = ">=1.0.3,<1.1.0" },
 ]