Bump datamodel-code-generator from 0.26.3 to 0.26.4

Bumps [datamodel-code-generator](https://github.com/koxudaxi/datamodel-code-generator) from 0.26.3 to 0.26.4.
- [Release notes](https://github.com/koxudaxi/datamodel-code-generator/releases)
- [Commits](koxudaxi/datamodel-code-generator@0.26.3...0.26.4)

---
updated-dependencies:
- dependency-name: datamodel-code-generator
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Diff for: pyproject.toml

@@ -47,7 +47,7 @@ packaging = [
     "twine==6.0.1"
 ]
 codegen = [
-    "datamodel-code-generator==0.26.3"
+    "datamodel-code-generator==0.26.4"
 ]
 dev = [
     "pip-tools"