chore: update rollup and plugins

[pravi]

Updated rollup to a recent version and replace deprecated rollup-plugins with new versions

Checklist

• only relevant code is changed (make a diff before you submit the PR)
• run tests npm run test
• tests are included
• documentation is changed or added

[coveralls]

Coverage remained the same at 93.003% when pulling a90fb69 on pravi:update-node-resolve-plugin into ad88092 on i18next:master.

[jamuhl]

thanks again