[upd] pypi: Bump the minor group with 3 updates (#5988)

Bumps the minor group with 3 updates: [lxml](https://github.com/lxml/lxml), [msgspec](https://github.com/jcrist/msgspec) and [basedpyright](https://github.com/detachhead/basedpyright).


Updates `lxml` from 6.0.3 to 6.0.4
- [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-6.0.3...lxml-6.0.4)

Updates `msgspec` from 0.21.0 to 0.21.1
- [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/0.21.0...0.21.1)

Updates `basedpyright` from 1.39.0 to 1.39.2
- [Release notes](https://github.com/detachhead/basedpyright/releases)
- [Commits](https://github.com/detachhead/basedpyright/compare/v1.39.0...v1.39.2)

requirements-dev.txt

@@ -22,5 +22,5 @@ coloredlogs==15.0.1
 docutils>=0.21.2
 parameterized==0.9.0
 granian[reload]==2.7.3
-basedpyright==1.39.0
+basedpyright==1.39.2
 types-lxml==2026.2.16

requirements.txt

@@ -3,7 +3,7 @@ babel==2.18.0
 flask-babel==4.0.0
 flask==3.1.3
 jinja2==3.1.6
-lxml==6.0.3
+lxml==6.0.4
 pygments==2.20.0
 python-dateutil==2.9.0.post0
 pyyaml==6.0.3
@@ -12,7 +12,7 @@ httpx-socks[asyncio]==0.10.0
 sniffio==1.3.1
 valkey==6.1.1
 markdown-it-py==4.0.0
-msgspec==0.21.0
+msgspec==0.21.1
 typer==0.24.1
 isodate==0.7.2
 whitenoise==6.12.0