Update types-croniter requirement from ~=1.3.2 to ~=1.4.0 (#331)

Updates the requirements on [types-croniter](https://github.com/python/typeshed) to permit the latest version.
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-croniter
  dependency-type: direct:production
...

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crontrigger_requirements.txt

@@ -1,2 +1,2 @@
 croniter~=1.4.1
-types-croniter~=1.3.2
+types-croniter~=1.4.0