Update dependency @rollup/plugin-commonjs to v21

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@rollup/plugin-commonjs	^18.0.0 -> ^21.0.0

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Release Notes

rollup/plugins

v21.0.0

2021-10-01

Breaking Changes

• fix: use safe default value for ignoreTryCatch (#​1005)

v20.0.0

2021-07-30

Breaking Changes

• fix: Correctly infer module name for any separator (#​924)

v19.0.2

2021-07-26

Bugfixes

• fix convert module.exports with __esModule property(#​939) (#​942)

v19.0.1

2021-07-15

Bugfixes

• fix: short-circuit to actual module entry point when using circular ref through a different entry (#​888)

v19.0.0

2021-05-07

Breaking Changes

• feat!: Add support for circular dependencies (#​658)

v18.1.0

2021-05-04

Bugfixes

• fix: idempotence issue (#​871)

Features

• feat: Add defaultIsModuleExports option to match Node.js behavior (#​838)

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