Update dependency sphinxcontrib-serializinghtml to <=1.1.10 (#31)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [sphinxcontrib-serializinghtml](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml) ([changelog](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/master/CHANGES.rst)) | `<=1.1.6` → `<=1.1.10` | ![age](https://developer.mend.io/api/mc/badges/age/pypi/sphinxcontrib-serializinghtml/1.1.10?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/sphinxcontrib-serializinghtml/1.1.5/1.1.10?slim=true) |

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### Release Notes

<details>
<summary>sphinx-doc/sphinxcontrib-serializinghtml (sphinxcontrib-serializinghtml)</summary>

### [`v1.1.10`](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/HEAD/CHANGES.rst#Release-1110-2024-01-13)

[Compare Source](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/compare/1.1.9...1.1.10)

\===========================

- Remove Sphinx as a required dependency, as circular dependencies may cause
  failure with package managers that expect a directed acyclic graph (DAG)
  of dependencies.

### [`v1.1.9`](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/HEAD/CHANGES.rst#Release-119-2023-08-20)

[Compare Source](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/compare/1.1.8...1.1.9)

\==========================

- Serialise context\["script\_files"] and context\["css\_files"] as their filenames
  on Sphinx 7.2.0.

### [`v1.1.8`](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/HEAD/CHANGES.rst#Release-118-2023-08-14)

[Compare Source](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/compare/1.1.7...1.1.8)

\==========================

- Use `os.PathLike` over `pathlib.Path`

### [`v1.1.7`](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/HEAD/CHANGES.rst#Release-117-2023-08-09)

[Compare Source](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/compare/1.1.6...1.1.7)

\==========================

- Fix tests for Sphinx 7.1 and below

### [`v1.1.6`](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/blob/HEAD/CHANGES.rst#Release-116-2023-08-07)

[Compare Source](https://redirect.github.com/sphinx-doc/sphinxcontrib-serializinghtml/compare/1.1.5...1.1.6)

\==========================

- Drop support for Python 3.5, 3.6, 3.7, and 3.8
- Raise minimum required Sphinx version to 5.0

</details>

---

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Author: renovate[bot]

sphinx-plugin/pyproject.toml

@@ -33,7 +33,7 @@ dependencies = [
     "sphinxcontrib-applehelp<=1.0.8",
     "sphinxcontrib-devhelp<=1.0.6",
     "sphinxcontrib-htmlhelp<=2.0.1",
-    "sphinxcontrib-serializinghtml<=1.1.6",
+    "sphinxcontrib-serializinghtml<=1.1.10",
     "sphinxcontrib-qthelp<=1.0.8",
     "standard-imghdr; python_version >= '3.13'",
     "python-dispatch>=0.2.2",