chore(deps): Bump lxml from 5.2.2 to 5.3.0

Bumps [lxml](https://github.com/lxml/lxml) from 5.2.2 to 5.3.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.2.2...lxml-5.3.0)

---
updated-dependencies:
- dependency-name: lxml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.in

@@ -13,7 +13,7 @@ Django>=2.2.24
 djangorestframework>=3.10.3,<3.16
 importlib-metadata==8.4.0
 jsonschema==4.23.0
-lxml==5.2.2
+lxml==5.3.0
 marshmallow==3.21.3
 pydantic==2.9.2
 pyOpenSSL==24.2.1

requirements.txt

@@ -47,7 +47,7 @@ jsonschema==4.23.0
     # via -r requirements.in
 jsonschema-specifications==2023.12.1
     # via jsonschema
-lxml==5.2.2
+lxml==5.3.0
     # via
     #   -r requirements.in
     #   signxml