[upd] pypi: Bump the minor group with 4 updates (#5965)

Bumps the minor group with 4 updates: [lxml](https://github.com/lxml/lxml), [msgspec](https://github.com/jcrist/msgspec), [granian](https://github.com/emmett-framework/granian) and [selenium](https://github.com/SeleniumHQ/Selenium).


Updates `lxml` from 6.0.2 to 6.0.3
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](https://github.com/lxml/lxml/compare/lxml-6.0.2...lxml-6.0.3)

Updates `msgspec` from 0.20.0 to 0.21.0
- [Release notes](https://github.com/jcrist/msgspec/releases)
- [Changelog](https://github.com/jcrist/msgspec/blob/main/docs/changelog.md)
- [Commits](https://github.com/jcrist/msgspec/compare/0.20.0...0.21.0)

Updates `granian` from 2.7.2 to 2.7.3
- [Release notes](https://github.com/emmett-framework/granian/releases)
- [Commits](https://github.com/emmett-framework/granian/compare/v2.7.2...v2.7.3)

Updates `selenium` from 4.41.0 to 4.43.0
- [Release notes](https://github.com/SeleniumHQ/Selenium/releases)
- [Commits](https://github.com/SeleniumHQ/Selenium/compare/selenium-4.41.0...selenium-4.43.0)

requirements-dev.txt

@@ -4,7 +4,7 @@ cov-core==1.15.0
 black==25.9.0
 pylint==4.0.5
 splinter==0.21.0
-selenium==4.41.0
+selenium==4.43.0
 Pallets-Sphinx-Themes==2.5.0
 Sphinx==8.2.3
 sphinx-issues==6.0.0
@@ -21,6 +21,6 @@ wlc==1.17.2
 coloredlogs==15.0.1
 docutils>=0.21.2
 parameterized==0.9.0
-granian[reload]==2.7.2
+granian[reload]==2.7.3
 basedpyright==1.39.0
 types-lxml==2026.2.16