⬆️ Bump fastjsonschema from 2.18.0 to 2.18.1

Bumps [fastjsonschema](https://github.com/horejsek/python-fastjsonschema) from 2.18.0 to 2.18.1.
- [Changelog](https://github.com/horejsek/python-fastjsonschema/blob/master/CHANGELOG.txt)
- [Commits](horejsek/python-fastjsonschema@v2.18.0...v2.18.1)

---
updated-dependencies:
- dependency-name: fastjsonschema
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -65,7 +65,7 @@ executing==1.2.0
     # via stack-data
 exhale==0.3.6
     # via -r requirements.in
-fastjsonschema==2.18.0
+fastjsonschema==2.18.1
     # via nbformat
 filelock==3.12.4
     # via virtualenv