Bump cython from 3.0.2 to 3.0.3

Bumps [cython](https://github.com/cython/cython) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.0.2...3.0.3)

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

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

requirements.txt

@@ -2,7 +2,7 @@ aiohttp==3.8.5
 aiohttp-cors==0.7.0
 asyncpg==0.28.0
 jsonschema==4.19.1
-Cython==3.0.2
+Cython==3.0.3
 cyvcf2==0.30.22
 uvloop==0.17.0
 aiocache==0.11.1

setup.py

@@ -51,7 +51,7 @@
         "vcf": [
             "numpy==1.26.0",
             "cyvcf2==0.30.22",
-            "Cython==3.0.2",
+            "Cython==3.0.3",
         ],
         "test": [
             "coverage==7.3.2",