Update dependency @rollup/plugin-url to v6.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@rollup/plugin-url	6.0.0 -> 6.1.0

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Release Notes

rollup/plugins

### [`v6.1.0`](https://togithub.com/rollup/plugins/blob/master/packages/url/CHANGELOG.md#v610) *2021-07-26* ##### Features - feat: add typings ([#​898](https://togithub.com/rollup/plugins/issues/898))

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