Update dependency rollup to v2.34.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	2.34.0 -> 2.34.2

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Release Notes

rollup/rollup

v2.34.2

Compare Source

2020-12-06

Bug Fixes

• Revert pattern export change (#​3898)

Pull Requests

• #​3898: Revert pattern to folder export (@​lukastaegert)

v2.34.1

Compare Source

2020-12-03

Bug Fixes

• Avoid Node deprecation warning by using a pattern export for nested Rollup files (#​3896)

Pull Requests

• #​3887: Run memory leak test on all systems (@​lukastaegert)
• #​3892: Add pull_request to windows github actions (@​shellscape)
• #​3893: Update dependencies (@​lukastaegert)
• #​3896: Replace deprecated folder package export with pattern export (@​lukastaegert)

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