chore(deps): update dependency rollup-plugin-terser to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rollup-plugin-terser	devDependencies	major	5.3.0 -> 6.1.0

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Release Notes

TrySound/rollup-plugin-terser

v6.1.0

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Added support for native es modules in node. Now this works with "type": "module" in package.json.

rollup.config.mjs

import { terser } from 'rollup-plugin-terser';
export default {
  ...
}

v6.0.1

Compare Source

v6.0.0

Compare Source

• node.js < v10 support is dropped
• rollup < v2 support is dropped
• sourcemap option is inferred from rollup options, please remove from your config
• include/exclude options are dropped in favour of output plugins, see here

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