github-actions(deps): bump actions/cache from v1 to v2.1.0
github-actions(deps): bump actions/cache from v1 to v2.1.0

Bumps [actions/cache](https://github.com/actions/cache) from v1 to v2.1.0.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v1...d29c1df198dd38ac88e0ae23a2881b99c2d20e68)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
mimmi20/wurfl-generic-request