Bump xmlschema from 2.5.1 to 3.0.0

Bumps [xmlschema](https://github.com/sissaschool/xmlschema) from 2.5.1 to 3.0.0.
- [Release notes](https://github.com/sissaschool/xmlschema/releases)
- [Changelog](https://github.com/sissaschool/xmlschema/blob/master/CHANGELOG.rst)
- [Commits](sissaschool/xmlschema@v2.5.1...v3.0.0)

---
updated-dependencies:
- dependency-name: xmlschema
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,4 +1,4 @@
 click==8.1.7
-xmlschema==2.5.1
+xmlschema==3.0.0
 requests==2.31.0
 responses==0.24.1