chore: update pylint requirement from ~=4.0.2 to ~=4.0.4 (#791)

Updates the requirements on [pylint](https://github.com/pylint-dev/pylint) to permit the latest version.
- [Release notes](https://github.com/pylint-dev/pylint/releases)
- [Commits](pylint-dev/pylint@v4.0.2...v4.0.4)

---
updated-dependencies:
- dependency-name: pylint
  dependency-version: 4.0.4
  dependency-type: direct:production
...

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Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
 jinja2~=3.1.6
-pylint~=4.0.2
+pylint~=4.0.4
 black~=25.11.0
 mkdocs~=1.6.1