build: update rollup to version 2.38.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	2.38.1 -> 2.38.3

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Release Notes

rollup/rollup

v2.38.3

Compare Source

2021-02-01

Bug Fixes

• Prevent an unexpected live-binding when default exporting a synthetic named export (#​3946)

Pull Requests

• #​3945: Upgrade chokidar and fsevents for Apple M1 compatibility (@​threepointone)
• #​3946: Make sure default exports snapshot synthetic named exports (@​lukastaegert)

v2.38.2

Compare Source

2021-01-31

Bug Fixes

• Do not generate invalid code for partially tree-shaken declarations in for loops (#​3943)
• Always include function bodies of functions in side-effect-free modules (#​3944)

Pull Requests

• #​3943: Do not partially tree-shake unused declarations in for loops (@​lukastaegert)
• #​3944: Correctly include functions with side effects from side-effect-free modules (@​lukastaegert)

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