fix(deps): update dependency astroid to <=4.0.3 (#543)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [astroid](https://github.com/pylint-dev/astroid) | `<=4.0.2` → `<=4.0.3` | ![age](https://developer.mend.io/api/mc/badges/age/pypi/astroid/4.0.3?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/astroid/4.0.2/4.0.3?slim=true) |

---

### Release Notes

<details>
<summary>pylint-dev/astroid (astroid)</summary>

### [`v4.0.3`](https://github.com/pylint-dev/astroid/blob/HEAD/ChangeLog#Whats-New-in-astroid-403)

[Compare Source](https://github.com/pylint-dev/astroid/compare/v4.0.2...v4.0.3)

\============================
Release date: 2026-01-03

- Fix inference of `IfExp` (ternary expression) nodes to avoid prematurely narrowing
  results in the face of inference ambiguity.

  Closes [#&#8203;2899](https://github.com/pylint-dev/astroid/issues/2899)

- Fix base class inference for dataclasses using the PEP 695 typing syntax.

  Refs [pylint-dev/pylint#10788](https://github.com/pylint-dev/pylint/issues/10788)

</details>

---

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Reviewed-on: https://git.tainton.uk/repos/webexmemebot/pulls/543
Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk>
Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>

pyproject.toml

@@ -10,7 +10,7 @@ requires-python = "<3.14,>=3.11"
 dependencies = [
     "webex-bot<1.1.0,>=1.0.3",
     "pillow<12.1.1,>=12.1.0",
-    "astroid<=4.0.2",
+    "astroid<=4.0.3",
 ]
 
 [dependency-groups]

uv.lock

@@ -8,11 +8,11 @@ resolution-markers = [
 
 [[package]]
 name = "astroid"
-version = "4.0.2"
+version = "4.0.3"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/b7/22/97df040e15d964e592d3a180598ace67e91b7c559d8298bdb3c949dc6e42/astroid-4.0.2.tar.gz", hash = "sha256:ac8fb7ca1c08eb9afec91ccc23edbd8ac73bb22cbdd7da1d488d9fb8d6579070", size = 405714, upload-time = "2025-11-09T21:21:18.373Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/a1/ca/c17d0f83016532a1ad87d1de96837164c99d47a3b6bbba28bd597c25b37a/astroid-4.0.3.tar.gz", hash = "sha256:08d1de40d251cc3dc4a7a12726721d475ac189e4e583d596ece7422bc176bda3", size = 406224, upload-time = "2026-01-03T22:14:26.096Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/93/ac/a85b4bfb4cf53221513e27f33cc37ad158fce02ac291d18bee6b49ab477d/astroid-4.0.2-py3-none-any.whl", hash = "sha256:d7546c00a12efc32650b19a2bb66a153883185d3179ab0d4868086f807338b9b", size = 276354, upload-time = "2025-11-09T21:21:16.54Z" },
+    { url = "https://files.pythonhosted.org/packages/ce/66/686ac4fc6ef48f5bacde625adac698f41d5316a9753c2b20bb0931c9d4e2/astroid-4.0.3-py3-none-any.whl", hash = "sha256:864a0a34af1bd70e1049ba1e61cee843a7252c826d97825fcee9b2fcbd9e1b14", size = 276443, upload-time = "2026-01-03T22:14:24.412Z" },
 ]
 
 [[package]]
@@ -667,7 +667,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "astroid", specifier = "<=4.0.2" },
+    { name = "astroid", specifier = "<=4.0.3" },
     { name = "pillow", specifier = ">=12.1.0,<12.1.1" },
     { name = "webex-bot", specifier = ">=1.0.3,<1.1.0" },
 ]