[upd] pypi: Bump the minor group with 3 updates

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


Updates `certifi` from 2026.4.22 to 2026.5.20
- [Commits](https://github.com/certifi/python-certifi/compare/2026.04.22...2026.05.20)

Updates `lxml` from 6.1.0 to 6.1.1
- [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-6.1.0...lxml-6.1.1)

Updates `basedpyright` from 1.39.4 to 1.39.5
- [Release notes](https://github.com/detachhead/basedpyright/releases)
- [Commits](https://github.com/detachhead/basedpyright/compare/v1.39.4...v1.39.5)

---
updated-dependencies:
- dependency-name: certifi
  dependency-version: 2026.5.20
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
- dependency-name: lxml
  dependency-version: 6.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor
- dependency-name: basedpyright
  dependency-version: 1.39.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -24,5 +24,5 @@ docutils>=0.21.2;python_version <= "3.11"
 docutils>=0.22.4; python_version > "3.11"
 parameterized==0.9.0
 granian[reload]==2.7.4
-basedpyright==1.39.4
+basedpyright==1.39.5
 types-lxml==2026.2.16

requirements.txt

@@ -1,9 +1,9 @@
-certifi==2026.4.22
+certifi==2026.5.20
 babel==2.18.0
 flask-babel==4.0.0
 flask==3.1.3
 jinja2==3.1.6
-lxml==6.1.0
+lxml==6.1.1
 pygments==2.20.0
 python-dateutil==2.9.0.post0
 pyyaml==6.0.3