Bump @types/react-router from 4.4.5 to 5.1.18
Bump @types/react-router from 4.4.5 to 5.1.18

Bumps [@types/react-router](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-router) from 4.4.5 to 5.1.18.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-router)

---
updated-dependencies:
- dependency-name: "@types/react-router"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
ProgrammingDaisukiClub/WPCS2,ProgrammingDaisukiClub/WPCS2,ProgrammingDaisukiClub/WPCS2,ProgrammingDaisukiClub/WPCS2,ProgrammingDaisukiClub/WPCS2