Bump @types/node-schedule from 2.1.7 to 2.1.8

Bumps [@types/node-schedule](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node-schedule) from 2.1.7 to 2.1.8.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node-schedule)

---
updated-dependencies:
- dependency-name: "@types/node-schedule"
  dependency-version: 2.1.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]