chore(deps): bump jsonschema from 4.25.1 to 4.26.0

Bumps [jsonschema](https://github.com/python-jsonschema/jsonschema) from 4.25.1 to 4.26.0.
- [Release notes](https://github.com/python-jsonschema/jsonschema/releases)
- [Changelog](https://github.com/python-jsonschema/jsonschema/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/python-jsonschema/jsonschema/compare/v4.25.1...v4.26.0)

---
updated-dependencies:
- dependency-name: jsonschema
  dependency-version: 4.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -19,7 +19,7 @@ cachetools==6.2.4
 requests==2.32.5
 urllib3==2.6.3
 certifi==2026.1.4
-jsonschema==4.25.1
+jsonschema==4.26.0
 tabulate==0.9.0
 pycoingecko==3.2.0
 jinja2==3.1.6