feat(deps): bump rollup-plugin-node-resolve from 3.3.0 to 3.4.0 (#51)

Bumps [rollup-plugin-node-resolve](https://github.com/rollup/rollup-plugin-node-resolve) from 3.3.0 to 3.4.0.
<details>
<summary>Release notes</summary>

*Sourced from [rollup-plugin-node-resolve's releases](https://github.com/rollup/rollup-plugin-node-resolve/releases).*

> ## v3.4.0 / 2018-09-04
> This release now supports `.mjs` files by default
>
> # Features
> * feat: Support .mjs files by default (https://github-redirect.dependabot.com/rollup/rollup-plugin-node-resolve/pull/151, by [**leebyron**](https://github.com/leebyron))
</details>
<details>
<summary>Changelog</summary>

*Sourced from [rollup-plugin-node-resolve's changelog](https://github.com/rollup/rollup-plugin-node-resolve/blob/master/CHANGELOG.md).*

> ## 3.4.0 (2018-09-04)
>
> This release now supports `.mjs` files by default
>
> ### Features
> * feat: Support .mjs files by default (https://github-redirect.dependabot.com/rollup/rollup-plugin-node-resolve/pull/151, by [**leebyron**](https://github.com/leebyron))
</details>
<details>
<summary>Commits</summary>

- [`341037a`](rollup/rollup-plugin-node-resolve@341037a) 3.4.0
- [`05bd0ef`](rollup/rollup-plugin-node-resolve@05bd0ef) Merge pull request [#174](https://github-redirect.dependabot.com/rollup/rollup-plugin-node-resolve/issues/174) from rollup/refactor-promisify-resolveid-for-less-pro...
- [`90423f6`](rollup/rollup-plugin-node-resolve@90423f6) refactor: promisify resolveId for less Promise boilerplate
- [`74f2e41`](rollup/rollup-plugin-node-resolve@74f2e41) Merge pull request [#151](https://github-redirect.dependabot.com/rollup/rollup-plugin-node-resolve/issues/151) from leebyron/fix-extensions
- [`f711ab2`](rollup/rollup-plugin-node-resolve@f711ab2) Support .mjs files by default.
- See full diff in [compare view](rollup/rollup-plugin-node-resolve@v3.3.0...v3.4.0)
</details>
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</details>

yarn.lock

@@ -9443,9 +9443,9 @@ rollup-plugin-node-globals@1.4.0:
     rollup-pluginutils "^2.3.1"
 
 rollup-plugin-node-resolve@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.3.0.tgz#c26d110a36812cbefa7ce117cadcd3439aa1c713"
-  integrity sha512-9zHGr3oUJq6G+X0oRMYlzid9fXicBdiydhwGChdyeNRGPcN/majtegApRKHLR5drboUvEWU+QeUmGTyEZQs3WA==
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.4.0.tgz#908585eda12e393caac7498715a01e08606abc89"
+  integrity sha512-PJcd85dxfSBWih84ozRtBkB731OjXk0KnzN0oGp7WOWcarAFkVa71cV5hTJg2qpVsV2U8EUwrzHP3tvy9vS3qg==
   dependencies:
     builtin-modules "^2.0.0"
     is-module "^1.0.0"