Update dependency rollup to v2.78.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	2.78.0 -> 2.78.1

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Release Notes

rollup/rollup

### [`v2.78.1`](https://togithub.com/rollup/rollup/blob/HEAD/CHANGELOG.md#​2781) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.78.0...398d0c4970b679795025f36e320f8aecb2859d24) *2022-08-19* ##### Bug Fixes - Avoid inferring "arguments" as name for a default export placeholder variable ([#​4613](https://togithub.com/rollup/rollup/issues/4613)) ##### Pull Requests - [#​4613](https://togithub.com/rollup/rollup/pull/4613): Prevent using arguments for generated variable names ([@​lukastaegert](https://togithub.com/lukastaegert))

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