Update rollup

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@rollup/plugin-babel	devDependencies	patch	^5.0.2 -> ^5.0.3
@rollup/plugin-replace	devDependencies	patch	^2.3.2 -> ^2.3.3
rollup (source)	devDependencies	minor	^2.13.1 -> ^2.15.0

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Release Notes

rollup/rollup

### [`v2.15.0`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2150) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.14.0...v2.15.0) _2020-06-08_ ##### Features - Allow to skip watching some configs via `watch: false` ([#​3620](https://togithub.com/rollup/rollup/issues/3620)) - Provide the resolved sourcemap path to `sourcemapPathTransform` ([#​3617](https://togithub.com/rollup/rollup/issues/3617)) ##### Pull Requests - [#​3617](https://togithub.com/rollup/rollup/pull/3617): Update sourcemapPathTransform to also take the path to the sourcemap file as a second argument ([@​dgoldstein0](https://togithub.com/dgoldstein0)) - [#​3620](https://togithub.com/rollup/rollup/pull/3620): Rollup watch only one config in exported array ([@​luwol03](https://togithub.com/luwol03)) ### [`v2.14.0`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2140) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.13.1...v2.14.0) _2020-06-07_ ##### Features - Make `this.meta.watchMode` available for plugins to detect watch mode ([#​3616](https://togithub.com/rollup/rollup/issues/3616)) ##### Bug Fixes - Handle exporting the same binding with different names in SystemJS ([#​3575](https://togithub.com/rollup/rollup/issues/3575)) ##### Pull Requests - [#​3575](https://togithub.com/rollup/rollup/pull/3575): Handle some cases of duplicate export bindings ([@​joeljeske](https://togithub.com/joeljeske)) - [#​3616](https://togithub.com/rollup/rollup/pull/3616): Make watch mode available in plugins ([@​lukastaegert](https://togithub.com/lukastaegert))

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