eth-alarm-clock-dapp Update eslint-plugin-node to the latest version 🚀

The devDependency eslint-plugin-node was updated from `7.0.1` to `8.0.0`.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

Release Notes for v8.0.0

This release focuses on supporting new things that were added between Node.js 8.7.0 and 11.0.0.

Breaking changes

5860795 updated node/no-deprecated-api rule to disallow new deprecated APIs.
Especially, it includes legacy URL API.
d153b93 updated node/no-unsupported-features/node-builtins rule to detect new APIs.

New rules

46ed54d added node/prefer-global/text-decoder rule for new global varaible TextDecoder.
46ed54d added node/prefer-global/text-encoder rule for new global varaible TextEncoder.

Commits

The new version differs by 13 commits.

932836b 8.0.0
c849a27 Chore: update .travis.yml
ac4cb6e Fix: lint errors
ecf6b11 Chore: update .travis.yml
5936718 Chore: upgrade dependencies
46ed54d New: add two prefer-global rules
d153b93 Breaking: update no-unsupported-features/node-builtins rule
5860795 Breaking: update no-deprecated-api rule
044ecce Chore: fix tests to follow moving files in eslint
51be232 Docs: fix url-search-params documentation (#132)
ef0f103 Docs: remove trailing comma from sample .eslintc.json in README (#131)
a589060 Docs: update README.md for deprecation rules
4467dcb Docs: add deprecated rules table (fixes #129) (#130)