Support eslint@8.0.0

[madhead]

Upgrading to eslint@8.0.0 is blocked by this plugin:

┌[madhead@millennium-falcon:~/Projects/semver-utils]
└─$ npm install
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: semver-utils@1.5.0
npm ERR! Found: eslint@8.0.0
npm ERR! node_modules/eslint
npm ERR!   dev eslint@"^8.0.0" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer eslint@"^7.23.0" from eslint-plugin-github@4.3.2
npm ERR! node_modules/eslint-plugin-github
npm ERR!   dev eslint-plugin-github@"^4.3.2" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! See /home/madhead/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/madhead/.npm/_logs/2021-10-11T23_06_39_942Z-debug.log

Maybe because of this:

eslint-plugin-github/package.json

Line 51 in fab96ce

"eslint": "^7.32.0",