Bump jsonschema from 4.18.3 to 4.18.4

Bumps [jsonschema](https://github.com/python-jsonschema/jsonschema) from 4.18.3 to 4.18.4.
- [Release notes](https://github.com/python-jsonschema/jsonschema/releases)
- [Changelog](https://github.com/python-jsonschema/jsonschema/blob/main/CHANGELOG.rst)
- [Commits](python-jsonschema/jsonschema@v4.18.3...v4.18.4)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 aiohttp==3.8.5
 aiohttp-cors==0.7.0
 asyncpg==0.28.0
-jsonschema==4.18.3
+jsonschema==4.18.4
 Cython==3.0.0
 cyvcf2==0.30.22
 uvloop==0.17.0

setup.py

@@ -40,7 +40,7 @@
         "aiohttp==3.8.5",
         "Authlib==1.2.1",
         "aiohttp-cors==0.7.0",
-        "jsonschema==4.18.3",
+        "jsonschema==4.18.4",
         "gunicorn==21.2.0",
         "uvloop==0.17.0",
         "cyvcf2==0.30.22",