Support for eslint@v8.x.x

[tclindner]

Release notes | Migration guide

Dependencies

• [x] https://github.com/tclindner/eslint-config-tc/issues/379
• [x] https://github.com/vuejs/eslint-plugin-vue/issues/1615
• [x] https://github.com/vue-a11y/eslint-plugin-vuejs-accessibility/issues/295
• [x] https://github.com/prashantswami/eslint-plugin-test-id/issues/53

[tclindner]

I ran in to some issues trying to get this to work. I need to do some more troubleshooting.